Nils Petter Gleditsch

Research Professor

Nils Petter Gleditsch
Additional position(s):
Professor Emeritus of Political Science, NTNU

Email: nilspg@prio.org
Mobile phone: (+47) 906 05 639

Research Interests

The decline of war
Environmental conflict
 

Background

​​​Languages spoken:

Norwegian, English (German, French)   

An extensive interview with Nils Petter Gleditsch by Hilde Henriksen Waage was published as part of the 60th Anniversary series PRIO Stories in August 2019.

Research Groups

Full member:

PRIO Departments

Current
Historical

PRIO Projects

Finished:

Events

PRIO started tracking events online in 2007. This listing is not complete. Past events may be mentioned in our news archive.

Publications

Further publications listed at ResearcherID 

All Publications

Peer-reviewed Journal Article

Gleditsch, Nils Petter (2021) This time is different! Or perhaps not? Neomalthusians and cornucopians in the age of climate change, Journal of Peace Research 58(1): 1–9.
Gleditsch, Nils Petter (2020) Toward a Social-Democratic Peace?, Ethics & International Affairs 34(1): 67–75.
Gleditsch, Nils Petter; Ragnhild Nordås & Henrik Urdal (2017) Peer Review and Replication Data: Best Practice from Journal of Peace Research, College & Research Libraries 78(3): 267–271.
Gleditsch, Nils Petter & Nicole Janz (2016) Replication in International Relations, International Studies Perspectives 17(4): 361–366.
Gleditsch, Nils Petter & Ida Rudolfsen (2016) Are Muslim countries more prone to violence?, Research and Politics 3(2): 1–9.
Buhaug, Halvard; Jonas Nordkvelle; Thomas Bernauer; Tobias Böhmelt; Michael Brzoska; Joshua W. Busby; Antonio Ciccone; Hanne Fjelde; Erik Gartzke; Nils Petter Gleditsch; Jack A. Goldstone; Håvard Hegre; Helge Holtermann; Vally Koubi; Jasmin S. A. Link; Peter Michael Link; Päivi Lujala; John O'Loughlin; Clionadh Raleigh; Jürgen Scheffran; Janpeter Schilling; Todd G. Smith; Ole Magnus Theisen; Richard S. J. Tol; Henrik Urdal & Nina von Uexkull (2014) One effect to rule them all? A comment on climate and conflict, Climatic Change 127(3): 391–397.
Gleditsch, Nils Petter & Ragnhild Nordås (2014) Conflicting messages? The IPCC on conflict and human security, Political Geography 43: 82–90.
Bussmann, Margit; Han Dorussen & Nils Petter Gleditsch (2014) Against All Odds: 2013 Richardson Award to Mats Hammarström and Peter Wallensteen, Peace Economics, Peace Science and Public Policy 20(2): 235–243.
Gleditsch, Nils Petter; Jonas Vestby & Håvard Strand (2014) Peace research – Just the study of war?, Journal of Peace Research 51(2): 145–158.
Böhmelt, Tobias; Thomas Bernauer; Halvard Buhaug; Nils Petter Gleditsch; Theresa Tribaldos & Gerdis Wischnath (2014) Demand, Supply, and Restraint: Determinants of Domestic Water Conflict and Cooperation, Global Environmental Change 29: 337–348.
Theisen, Ole Magnus; Nils Petter Gleditsch & Halvard Buhaug (2013) Is climate change a driver of armed conflict?, Climatic Change 117(3): 613–625.
Lacina, Bethany Ann & Nils Petter Gleditsch (2013) The Waning of War is Real: A Response to Gohdes and Price, Journal of Conflict Resolution 57(6): 1109–1127.
Østby, Gudrun; Håvard Strand; Nils Petter Gleditsch & Ragnhild Nordås (2013) Gender Gap or Gender Bias in Peace Research? Publication Patterns for Journal of Peace Research 1983–2008, International Studies Perspectives 14(4): 493–506.
Gleditsch, Nils Petter; Steven Pinker; Bradley A. Thayer; Jack S. Levy & William R. Thompson (2013) The Forum: The Decline of War, International Studies Review 15(3): 396–419.
Brochmann, Marit & Nils Petter Gleditsch (2012) Shared Rivers and Conflict – A Reconsideration, Political Geography 31(8): 519–527.
Cappelen, Ådne & Nils Petter Gleditsch (2012) En fredsgevinst for Norge - eller fortsatt opprustning? [A Peace Dividend for Norway - Or Continued Rearmament?], Samfunnsøkonomen 26(6): 26–31.
Bernauer, Thomas; Tobias Böhmelt; Halvard Buhaug; Nils Petter Gleditsch; Theresa Tribaldos; Eivind Berg Weibust & Gerdis Wischnath (2012) Water-Related Intrastate Conflict and Cooperation (WARICC): A New Event Dataset, International Interactions 38(4): 529–545.
Bernauer, Thomas & Nils Petter Gleditsch (2012) New Event Data in Conflict Research, International Interactions 38(4): 375–381.
Brochmann, Marit; Jan Ketil Rød & Nils Petter Gleditsch (2012) International Borders and Conflict Revisited, Conflict Management and Peace Science 29(2): 170–194.
Gleditsch, Nils Petter (2012) Whither the Weather? Climate Change and Conflict, Journal of Peace Research 49(1): 3–9.
Schneider, Gerald; Nils Petter Gleditsch & Sabine C. Carey (2011) Forecasting in International Relations: One Quest, Three Approaches, Conflict Management and Peace Science 28(1): 5–14.
Urdal, Henrik; Ole Magnus Theisen; Nils Petter Gleditsch & Halvard Buhaug (2010) Klimakriger? En vurdering av det faglige grunnlaget [Climate Wars? An Assessment of the Scientific Foundation], Norsk Statsvitenskapelig Tidsskrift 26(4): 297–320.
Gleditsch, Nils Petter & Ragnhild Nordås (2009) Climate Change and Conflict: A Critical Overview, Die Friedens-Warte 84(2): 11–28.
Rustad, Siri Aas; Jan Ketil Rød; Wenche Larsen & Nils Petter Gleditsch (2008) Foliage and Fighting: Forest Resources and the Onset, Duration, and Location of Civil War, Political Geography 27(7): 761–782.
Nordås, Ragnhild & Nils Petter Gleditsch (2007) Climate Change and Conflict, Political Geography 26(6): 627–638.
Binningsbø, Helga Malmin; Indra de Soysa & Nils Petter Gleditsch (2007) Green Giant or Straw Man? Environmental Pressure and Civil Conflict, 1961–99, Population and Environment 28(6): 337–353.
Lacina, Bethany Ann; Nils Petter Gleditsch & Bruce M. Russett (2006) The Declining Risk of Death in Battle, International Studies Quarterly 50(3): 673–680.
Gleditsch, Nils Petter; Kathryn Furlong; Håvard Hegre; Bethany Ann Lacina & Taylor Owen (2006) Conflicts over Shared Rivers: Resource Wars or Fuzzy Boundaries?, Political Geography 25(4): 361–382.
Furlong, Kathryn; Nils Petter Gleditsch & Håvard Hegre (2006) Geographic Opportunity and Neomalthusian Willingness: Boundaries, Shared Rivers, and Conflict, International Interactions 32(1): 79–108.
Gleditsch, Nils Petter; Håvard Hegre; Kathryn Furlong; Bethany Ann Lacina & Taylor Owen (2006) Conflict over Shared Rivers: Resource Scarcity or Fuzzy Boundaries, Political Geography 25(4): 361–382.
Lacina, Bethany Ann; & Nils Petter Gleditsch (2005) Monitoring Trends in Global Combat: A New Dataset of Battle Deaths, European Journal of Population 21(2): 145–165.
Lujala, Päivi; Nils Petter Gleditsch; & Elisabeth Gilmore (2005) A Diamond Curse? Civil War and a Lootable Resource, Journal of Conflict Resolution 49(4): 538–562.
Gilmore, Elisabeth; Nils Petter Gleditsch; Jan Ketil Rød & Päivi Lujala (2005) Conflict Diamonds: A New Dataset, Conflict Management and Peace Science 22(3): 257–292.
Strand, Håvard; Nils Petter Gleditsch; & Mirjam E. Sørli (2005) Why Is There So Much Conflict in the Middle East?, Journal of Conflict Resolution 49(1): 141–165.
Furlong, Kathryn & Nils Petter Gleditsch (2003) The Boundary Dataset, Conflict Management and Peace Science 20(1): 93–117.
Gleditsch, Nils Petter; Claire Metelits & Håvard Strand (2003) Posting Your Data: Will You Be Scooped or Will You Be Famous?, International Studies Perspectives 4(1): 89–97.
Gleditsch, Nils Petter (2003) The Replication Debate, International Studies Perspectives 4(1): 72–79.
Ravlo, Hilde; Han Dorussen & Nils Petter Gleditsch (2003) Colonial War and the Democratic Peace, Journal of Conflict Resolution 47(4): 520–548.
Knudsen, Are; Henrik Urdal; Astri Suhrke & Nils Petter Gleditsch (2003) Conflict and Development: Framework for a Proposed Research Area: 19–.
Strand, Håvard; Mikael Eriksson; Peter Wallensteen; Nils Petter Gleditsch & Margareta Sollenberg (2002) Armed Conflict 1946–2001: A New Dataset, Journal of Peace Research 39(5): 615–637.
Urdal, Henrik & Nils Petter Gleditsch (2002) Ecoviolence? Links Between Population-Growth, Environmental Scarcity and Violent Conflict in Thomas Homer-Dixon's Work, Journal of International Affairs 56(1): 283–302.
Gleditsch, Nils Petter; Håvard Hegre; Tanja Ellingsen & Scott Gates (2001) Toward a Democratic Civil Peace? Democracy, Political Change and Civil War 1816–1992, American Political Science Review 95(1): 33–48.
Toset, Hans Petter Wollebæk; Nils Petter Gleditsch & Håvard Hegre (2000) Shared Rivers and Interstate Conflict, Political Geography 19(8): 971–996.
Gleditsch, Nils Petter & Ranveig Gissinger (1999) Globalization and Conflict: Welfare, Distribution, and Political Unrest, Journal of World-Systems Research 5(2): 274–300.
Gleditsch, Nils Petter (1998) Armed Conflict and the Environment: A Critique of the Literature, Journal of Peace Research 35(3): 381–400.
Gates, Scott; Nils Petter Gleditsch; Håvard Hegre & Ranveig Gissinger (1998) Timing the Changes in Political Structures. A New Polity Database, Journal of Conflict Resolution 42(2): 231–242.
Gleditsch, Nils Petter & Håvard Hegre (1997) Peace and Democracy: Three Levels of Analysis, Journal of Conflict Resolution 41(2): 283–310.
Gleditsch, Nils Petter (1996) Democracy and Democratization: Not Quite the State of the Art, Security Dialogue 27(3): 349–351.
Gleditsch, Nils Petter (1996) Det nye sikkerhetsbildet: Mot en demokratisk og fredelig verden?, Internasjonal Politikk 54(3): 291–310.
Gleditsch, Nils Petter (1995) Geography, Democracy, and Peace, International Interactions 20(4): 297–323.
Gleditsch, Nils Petter (1995) 35 Major Wars? A Brief Comment on Mueller, Journal of Conflict Resolution 39(3): 584–587.
Gleditsch, Nils Petter (1995) Democracy and the Future of the European Peace, European Journal of International Relations 1(4): 539–571.
Gleditsch, Nils Petter (1994) Treholt-litteraturen: En studie i polarisering [The Treholt Literature: A Study in Polarization], Internasjonal Politikk 52(2): 275–287.
Gleditsch, Nils Petter (1993) The Most Cited Articles in JPR, Journal of Peace Research 30(4): 445–449.
Gleditsch, Nils Petter (1993) The Most Cited Articles in JPR, Journal of Peace Research 30(4): 445–449.
Gleditsch, Nils Petter (1992) Focus On: Democracy and Peace, Journal of Peace Research 29(4): 369–376.
Gleditsch, Nils Petter (1992) The Future of Nordic Military Spending, Cooperation and Conflict 27(4).
Smith, Dan; Håkan Wiberg & Nils Petter Gleditsch (1992) The Nordic Countries: Peace Dividend or Security Dilemma?, Cooperation and Conflict 27(4): 323–347.
Gleditsch, Nils Petter (1992) Defence Without Threat? The Future of Norwegian Military Spending, Cooperation and Conflict 27(4): 397–413.
Gleditsch, Nils Petter (1992) Focus On: Democracy and Peace, Journal of Peace Research 29(4): 369–376.
Gleditsch, Nils Petter (1989) Journal of Peace Research, Journal of Peace Research 26(1): 1–5.
Gleditsch, Nils Petter & Einar Høgetveit (1984) Freedom of Information in National Security Affairs: A Comparative Study of Norway and the United States, Journal of Peace Research 21(1): 17–45.
Bjerkholt, Olav; Nils Petter Gleditsch & Ådne Cappelen (1984) Military Spending and Economic Growth in the OECD Countries, Journal of Peace Research 21(4): 361–373.
Wilkes, Owen & Nils Petter Gleditsch (1978) Optical Satellite Tracking: A Case Study in University Participation in Preparation for Space Warfare, Journal of Peace Research 15(3): 205–225.
Høivik, Tord & Nils Petter Gleditsch (1978) 'Best' Models of Interaction, Quality and Quantity 12.
Gleditsch, Nils Petter (1977) Toward a Multilateral Aviation Treaty, Journal of Peace Research 14(3): 239–259.
Gleditsch, Nils Petter & Sverre Lodgaard (1977) Norway - the not so Reluctant Ally, Cooperation and Conflict 12(4): 209–219.
Gleditsch, Nils Petter; Kristen Ringdal & Ottar Hellevik (1975) The Common Market Issue in Norway: A Conflict Between Center and Periphery, Journal of Peace Research 12(1): 37–53.
Gleditsch, Nils Petter (1975) Six Arguments Against Research for the Military, Bulletin of Peace Proposals 6(2): 172–175.
Gleditsch, Nils Petter (1974) A Practical Scheme for Income Equality, Scandinavian Journal of Forest Economics(3): 29–31.
Gleditsch, Nils Petter (1974) Time Differences and International Interaction, Cooperation and Conflict 9(1): 34–51.
Hellevik, Ottar & Nils Petter Gleditsch (1973) The Common Market Decision in Norway: A Clash Between Direct and Indirect Democracy, Scandinavian Political Studies 8: 227–235.
Gleditsch, Nils Petter (1971) Interaction Patterns in the Middle East, Cooperation and Conflict 6(1): 16–30.
Gleditsch, Nils Petter (1971) The UN, the Ministates, and Weighted Voting, Bulletin of Peace Proposals 2(2): 190–192.
Gleditsch, Nils Petter & Tord Høivik (1971) Simulating Structural Parameters of Graphs: First Results, Quality and Quantity 5(1): 224–227.
Høivik, Tord & Nils Petter Gleditsch (1970) Structural Parameters of Graphs: A Theoretical Investigation, Quality and Quantity 4(1): 193–209.
Gleditsch, Nils Petter (1967) Trends in World Airline Patterns, Journal of Peace Research 4(4): 366–408.

Monograph

Gleditsch, Nils Petter (2016) Mot en mer fredelig verden? [Towards a More Peaceful World?]. Oslo: Pax.
Gleditsch, Nils Petter (2015) Nils Petter Gleditsch: Pioneer in the Analysis of War and Peace. New York: Springer. SpringerBriefs on Pioneers in Science and Practice.
Gleditsch, Nils Petter (2003) The Future of Armed Conflict. Ramat Gan: The Begin-Sadat Center for Strategic Studies. Annual Madame Madeleine Feher European Scholar-in-Residence Lecture.
Miller, Ragnhild Hustad; Nils Petter Gleditsch; Monica Jacobsen; Jennifer L. Bailey & Anita Schjølset (1998) Det nye sikkerhetsbildet. Mot en demokratisk og fredelig verden?. Trondheim: Tapir.
Gleditsch, Nils Petter & Håvard Hegre (1995) Nasjonsdata: En Lærepakke. Oslo: PRIO.
Gleditsch, Nils Petter; Terje Vilno Larsen & Håvard Hegre (1994) Citations to Articles in JPR and by Johan Galtung. Oslo: Journal of Peace Research.
Gleditsch, Nils Petter; Ådne Cappelen & Olav Bjerkholt (1994) The Wages of Peace: Disarmament in a Small Industrialized Economy. London: SAGE.
Wilkes, Owen & Nils Petter Gleditsch (1987) Loran-C and Omega. A Study of the Military Importance of Radio Navigation Aids. Oslo: Norwegian University Press.
Gleditsch, Nils Petter & Owen Wilkes (1981) Forskning eller spionasje? [Research or espionage?]. Oslo: PRIO. PRIO publications.
Wilkes, Owen & Nils Petter Gleditsch (1981) The Oslo rabbit trial. Oslo: SOLIDARITY CAMPAIGN FOR GLEDITSCH/WILKES (1981).
Gleditsch, Nils Petter; Odvar Leine; Hans-Henrik Holm; Tord Høivik; Arne Martin Klausen; Erik Rudeng & Håkan Wiberg (1980) Johan Galtung: A Bibliography of his Scholarly and Popular Writings, 1951–80. Oslo: PRIO. Peace Research Monographs, 9.
Gleditsch, Nils Petter & Ottar Hellevik (1977) Kampen om EF [The Struggle over the EEC in Norway]. Oslo: PAX.
Gleditsch, Nils Petter & Sverre Lodgaard (1970) Krigsstaten Norge [Norway as a Warfare State]. Oslo: PAX.

Book Chapter

Gleditsch, Nils Petter (2022) The Democratic Civil Peace and Beyond: Scott Gates, in Stein Tønnesson, ed., Lives in Peace Research: the Oslo Stories. Singapore: Springer (339–364).
Gleditsch, Nils Petter (2022) Johan Galtung at 90: His Enduring Legacy to Peace Research in Oslo, in Stein Tønnesson, ed., Lives in Peace Research: the Oslo Stories. Singapore: Springer (493–500).
Gleditsch, Nils Petter (2020) Lewis Fry Richardson – A Pioneer Not Forgotten, in Nils Petter Gleditsch, ed., Lewis Fry Richardson: His Intellectual Legacy and Influence in the Social Sciences. Heidelberg: Springer (1–12).
Gleditsch, Nils Petter (2020) Richardson’s Life and Work, in Nils Petter Gleditsch, ed., Lewis Fry Richardson: His Intellectual Legacy and Influence in the Social Sciences. Heidelberg: Springer (143–148).
Theisen, Ole Magnus; Nils Petter Gleditsch & Halvard Buhaug (2017) Climate Change and Armed Conflict: Reviewing the Evidence, in Stohl, Michael; Mark I. Lichbach; & Peter Nils Grabosky, eds, States and Peoples in Conflict. New York: Routledge (113–129).
Gleditsch, Nils Petter; Erik Melander & Henrik Urdal (2016) Introduction – Patterns of Armed Conflict Since 1945, in Mason, T. David; & Sara McLaughlin Mitchell, eds, What Do We Know About Civil War?. Lanham, MD: Rowman & Littlefield (15–32).
Gleditsch, Nils Petter (2015) Climate Change, Environmental Stress, and Conflict, in Crocker, Chester; Fen Osler Hampson; & Pamela Aall, eds, Managing Conflict In a World Adrift. Washington DC: United States Institute of Peace Press (147–168).
Nordås, Ragnhild & Nils Petter Gleditsch (2015) Climate change and conflict, in Hartland, Susanne; & Wolfgang Liebert, eds, Competition and Conflicts on Resource Use. London: Springer (21–38).
Gleditsch, Nils Petter (2015) A personal retrospective, in Nils Petter Gleditsch, ed., Nils Petter Gleditsch – Pioneer In the Analysis of War and Peace. New York: Springer (3–18).
Gleditsch, Nils Petter (2014) Overvåking under kontroll [Surveillance under Control], in Lene Berg, ed., Gompen Og Andre Beretninger Om Overvåking I Norge 1948–89. Oslo: URO/KORO (7–16).
Gleditsch, Nils Petter (2014) Will climate change reverse the trend towards peace?, in Schneckener, Ulrich; Arnulf von Scheliha; Andreas Lienkamp; & Britta Klagge, eds, Wettstreit um Ressourcen. Konflikte um Klima, Wasser und Boden. Berlin: Oekom-Verlag (49–60).
Nordås, Ragnhild & Nils Petter Gleditsch (2013) The IPCC, Human Security, and the Climate-conflict Nexus, in Redclift, Michael; & Marco Grasso, eds, Handbook on Climate Change and Human Security. Cheltenham: Edward Elgar Publishing (67–88).
Gleditsch, Nils Petter (2013) Arthur Westing: A Personal Memoir, in Hans Günther Brauch, ed., From Environmental to Comprehensive Security. New York: Springer (xi-xiii).
Schneider, Gerald & Nils Petter Gleditsch (2013) The capitalist peace: Origins and prospects of a liberal idea, in Schneider, Gerald; & Nils Petter Gleditsch, eds, Assessing the Capitalist Peace. London: Routledge.
Gleditsch, Nils Petter & Halvard Buhaug (2011) Årsaker til krig [Causes of War], in Hovi, Jon; & Raino Malnes, eds, Anarki, makt og normer: Innføring i internasjonal politikk. Oslo: Abstrakt forlag (167–190).
Gleditsch, Nils Petter (2010) Introductory Essay, in Nigel Young, ed., The Oxford International Encyclopedia of Peace. Oxford: .
Gleditsch, Nils Petter & Ole Magnus Theisen (2010) Resources, the Environment and Conflict, in Dunn Cavelty, Myriam; & Victor Mauer, eds, The Routledge Handbook of Security Studies. New York, NY: Routledge (221–232).
Buhaug, Halvard; Nils Petter Gleditsch & Ole Magnus Theisen (2010) Implications of Climate Change for Armed Conflict, in Mearns, Robin; & Andrew Norton, eds, The Social Dimensions of Climate Change: Equity and Vulnerability in a Warming World. Washington: World Bank (75–101).
Gleditsch, Nils Petter; Håvard Hegre; & Håvard Strand (2009) Democracy and Civil War, in Handbook of War Studies III. Ann Arbor: University of Michigan Press (155–192).
Gleditsch, Nils Petter(2008) Armed Conflict and the Environment International Environmental Politics (Volume IV). : (273–258).
Gleditsch, Nils Petter (2008) Peace and Democracy, in Lester Kurtz, ed., Encyclopedia of Violence, Peace, and Conflict. San Diego, CA: Elsevier (1430–1437).
Gleditsch, Nils Petter & Håvard Hegre (2008) Paqja dhe demokracia [Peace and Democracy], in Midgaard, Knut; & Bjørn Erik Rasch, eds, Demokracia – kushtet dhe pasojat. Prishtina: (279–301).
Gleditsch, Nils Petter (2007) Environmental Change, Security, and Conflict, in Leashing the Dogs of War: Conflict Management in a Divided World. Washington, DC: (177–195).
Buhaug, Halvard & Nils Petter Gleditsch (2006) The Death of Distance? The Globalization of Armed Conflict, in Kahler, Miles; & Barbara Walter, eds, Territoriality and Conflict in an Era of Globalization. New York: Cambridge University Press (187–216).
Lacina, Bethany Ann & Nils Petter Gleditsch (2006) Monitoring Trends in Global Combat: A New Dataset of Battle Deaths, in Brunborg, Helge; Ewa Tabeau; & Henrik Urdal, eds, The Demography of Armed Conflict. Berlin: Springer (145–165).
Gleditsch, Nils Petter (2006) Mot et utvidet sikkerhetsbegrep? [Toward an Extended Concept of Security?], in Normer og makt: Innføring i internasjonal politikk. Oslo: (95–114).
Gleditsch, Nils Petter (2005) Mot et Utvidet Sikkerthetsbegrep [Towards an Extended Concept of Security], in Hovi, Jon; & Raino Malnes, eds, Normer Og Makt: Innføring I Internasjonal Politikk. Oslo: Abstrakt Forlag (95–114).
Gleditsch, Nils Petter (2005) Armed Conflict and the Environment, in Paul F. Diehl, ed., War: SAGE Library of International Relations. London: SAGE (252–274).
Hegre, Håvard; Tanja Ellingsen; Scott Gates & Nils Petter Gleditsch (2005) Toward a Democratic Civil Peace? Democracy, Political Change and Civil War, 1816-1992, in Paul F. Diehl, ed., War: SAGE Library of International Relations. London: SAGE (165–193).
Gleditsch, Nils Petter (2005) Resources, the Environment and Conflict, in Proceedings of the International Conference on ‘Environment, Peace, and the Dialogue of Civilizations and Cultures’ Tehran, 9–10 May. Teheran: (135–153).
Hegre, Håvard; Nils Petter Gleditsch; Scott Gates & Tanja Ellingsen (2005) Towards a Democratic Civil Peace, in War. Library of International Relations. London: (165–193).
Gleditsch, Nils Petter (2004) Peace Research and International Relations in Scandinavia: From Enduring Rivalry to stable Peace?, in Guzzini, Stefano; & Dietrich Jung, eds, Contemporary Security Analysis and Copenhagen Peace Research. London: Routledge (15–26).
Gleditsch, Nils Petter (2004) Mot et utvidet sikkerhetsbegrep [Towards an Extended Concept of Security], in Normer og Makt. .
Gleditsch, Nils Petter (2004) Beyond Scarcity vs. Abundance: A Policy Research Agenda for Natural Resources and Conflict, in Understanding Environment, Conflict, and Cooperation. Nairobi: United Nations Environment Programme (UNEP) (16–18).
Gleditsch, Nils Petter & Håvard Hegre (2004) En globalisert verden – økt kaos eller varig fred? [A Globalized World – Increased Chaos or Lasting Peace], in Jan Arild Snoen, ed., Åpen Verden – Et forsvar for globaliseringen. Oslo: Civitas (251–263).
Gleditsch, Nils Petter & Håvard Hegre (2004) En globalisert verden – økt kaos eller varig fred? [A Globalized World – Increased Chaos or Lasting Peace?], in Åpen verden. Et forsvar for globaliseringen. Oslo: (250–263).
Gleditsch, Nils Petter & Håvard Hegre (2004) Fred og demokrati [Peace and Democracy], in Demokrati – vilkår og virkninger. Oslo & Bergen: (293–322).
Gleditsch, Nils Petter (2004) Peace Research and International Relations in Scandinavia: From Enduring Rivalry to Stable Peace?, in Copenhagen Peace Research: Conceptual Innovation and Contemporary Security Analysis. Essays in Honour of Håkan Wiberg. London: (15–26).
Gissinger, Ranveig; Håvard Hegre & Nils Petter Gleditsch (2003) Globalization and Internal Conflict, in Globalization and Conflict. Lanham, MD: (251–275).
Schneider, Gerald; Nils Petter Gleditsch & Katherine Barbieri (2003) Does Globalization Contribute to Peace? A Critical Survey of the Literature, in Globalization and Armed Conflict. Lanham, MD: (3–30).
Barbieri, Katherine; Nils Petter Gleditsch & Gerald Schneider (2003) Preface, in Globalization and Armed Conflict. Lanham, MD: (1–2).
Gleditsch, Nils Petter (2003) Environmental Conflict: Neomalthusians vs. Cornucopians, in Security and the Environment in the Mediterranean: Conceptualising Security and Environmental Conflicts. Berlin: (477–485).
Gleditsch, Nils Petter & Bjørn Otto Sverdrup (2002) Democracy and the Environment, in Human Security and the Environment. Cheltenham: (45–70).
de Soysa, Indra & Nils Petter Gleditsch (2002) The Liberal Globalist Case, in Global Governance in the 21st Century: Alternative Perspectives on World Order. Stockholm: (26–73).
Cappelen, Ådne; Olav Bjerkholt & Nils Petter Gleditsch (2002) Military Spending and Economic Growth in the OECD Countries, in The Economics of Defence. Cambridge: (460–472).
Gleditsch, Nils Petter & Paul F. Diehl (2001) Controversies and Questions, in Environmental Conflict. Boulder, CO: (1–9).
Gates, Scott; Nils Petter Gleditsch & Håvard Hegre (2001) Democracy and Civil Conflict After the Cold War, in Perspectives on Democratic Consolidation in Central and Eastern Europe. New York: (185–194).
Gleditsch, Nils Petter (2001) Environmental Change, Security, and Conflict, in Turbulent Peace: the Challenges of Managing International Conflict. Washington, DC: (53–68).
Gleditsch, Nils Petter (2001) Mot et utvidet sikkerhetsbegrep?, in Normer og makt: Innføring i internasjonal politikk. Oslo: (95–114).
Gleditsch, Nils Petter (2001) Armed Conflict and the Environment: A Critique of the Literature, in Environmental Conflict. Boulder, CO: (251–272).
Gleditsch, Nils Petter (2001) Resource and Environmental Conflict: The State-of-the-Art, in Responding to Environmental Conflicts: Implications for Theory and Practice. Dordrecht: (53–66).
Gleditsch, Nils Petter (2001) Opening Remarks, in The Multilateral System in the Field of Development. Proceedings from the 2nd MULTI-Conference, Vettre 18–19 January. Oslo: (11–13).
Gleditsch, Nils Petter (2001) Disseminating Results, in The Multilateral System in the Field of Development. Proceedings from the 2nd MULTI-Conference, Vettre 18–19 January. Oslo: (243–250).
Gleditsch, Nils Petter (2000) Armed Conflict and the Environment, in Environmental Conflict. Boulder, CO: (251–272).
Gleditsch, Nils Petter (1999) Environmental Conflict: Symptoms and Causes, in Environmental Conflict and Preventive Action: Report from a Seminar at Lysebu, 23-24 November 1998. Oslo: (6–12).
Gleditsch, Nils Petter (1999) Democracy and Peace, in Encyclopedia of Violence, Peace, and Conflict, 2. New York: (643–652).
Gleditsch, Nils Petter (1999) Freedom of Expression, Freedom of Information, and National Security: The Case of Norway, in Secrecy and Liberty. Haag: (361–388).
Gleditsch, Nils Petter (1998) Fred og demokrati [Peace and Democracy], in Demokrati – vilkår og virkninger. Oslo & Bergen: (297–314).
Gleditsch, Nils Petter (1997) Environmental Conflict and the Democratic Peace, in Conflict and the Environment. Dordrecht: (91–106).
Gleditsch, Nils Petter (1997) Democracy and Armed Conflict in the Third World, in Causes of Conflict in the Third World. Oslo: (69–81).
Bjerkholt, Olav; Nils Petter Gleditsch & Ådne Cappelen (1996) The Peace Dividend in Norway: Domestic or International?, in Gleditsch, Nils Petter; Olav Bjerkholt; Ron P. Smith; Ådne Cappelen; & J. Paul Dunne, eds, The Peace Dividend. Contributions to Economic Analysis, 235. Amsterdam: North-Holland (275–303).
Gleditsch, Nils Petter (1995) Freedom of Information and National Security: A Comparative Perspective, in Research in Law and Policy Studies, 4. Greenwich, CT & London: (25–43).
Gleditsch, Nils Petter (1994) Conversion and the Environment, in Jyrki Käkönen, ed., Green Security or Militarized Environment?. Aldershot & Brookfield, VT: Dartmouth (131–154).
Enckell, Pehr; Nils Petter Gleditsch & Jørgen Burchardt (1994) Forord, in Det vitenskapelige tidsskrift. Rapport fra en konferanse for vitenskapelige tidsskrifter. TemaNord 1994:574. København: .
Gleditsch, Nils Petter (1994) Den nordiske tidsskriftflora, in Rapport fra en konferanse for vitenskapelige tidsskrifter. TemaNord 1994:574. København: .
Gleditsch, Nils Petter (1993) Democracy and Peace: Good News for Human Rights Advocates, in Donna Gomien, ed., Broadening the Frontiers of Human Rights: Essays in Honour of Asbjørn Eide. Oslo & Oxford: Scandinavian University Press / Oxford University Press (283–306).
Gleditsch, Nils Petter & Nils Ivar Agøy (1993) Norway: Toward Full Freedom of Choice?, in Moskos, Charles H.; & John Whiteclay Chambers, eds, The New Conscientious Objection: from Sacred to Secular Resistance. New York & Oxford: Oxford University Press (114–126).
Gleditsch, Nils Petter; Olav Bjerkholt & Ådne Cappelen (1992) Guns, Butter and Growth: The Case of Norway, in Chan, Steve; & Alex Mintz, eds, Defense, Welfare and Growth. New York: Routledge (61–80).
Gleditsch, Nils Petter (1992) Conversion and the Environment: An Overview, in in Conversion and the Environment. Proceedings of a Seminar in Perm, Russia, 24–27 November 1991. Oslo: PRIO (23–44).
Gleditsch, Nils Petter (1991) The Development of Peace Research: An Editor's Perspective, in Jaap W. Nobel, ed., The Coming of Age of Peace Research. Groningen: Styx.
Gleditsch, Nils Petter (1990) Research on Arms Races, in Gleditsch, Nils Petter; & Olav Njølstad, eds, Arms Races. Technological and Political Dynamics. London: SAGE (1–14).
Gleditsch, Nils Petter (1990) De nordiske landes strategiske betydning [The Strategic Role of the Nordic Countries], in Svaner på vildveje. Copenhagen: Vindrose (28–56).
Gleditsch, Nils Petter (1990) The Rise and Decline of the New Peace Movement, in Kodama, Katsuya; & Unto Vesa, eds, Towards a Comparative Analysis of Peace Movements. Dartmouth/Brookfield, VT: Gower (73–88).
Gleditsch, Nils Petter; Olav Bjerkholt & Ådne Cappelen (1989) Conversion Effects: A Case Study of Norway, in Dumas, Lloyd J.; & Marek Thee, eds, Making Peace Possible: the Promise of Economic Conversion. London: Pergamon Press (231–249).
Gleditsch, Nils Petter (1989) Massemediene og sikkerhetspolitikken [The mass media and security policy], in Nils Thomsen, ed., Pressens Årbog 1989. Copenhagen: Reitzel, for Pressehistorisk Selskab (37–46).
Gleditsch, Nils Petter (1988) Massemediene og sikkerhetspolitikken [The Mass Media and Security Policy], in Nils Thomsen, ed., Pressens Årbog 1988. Copenhagen: Reitzel, for Pressehistorisk Selskab (37–46).
Gleditsch, Nils Petter; Olav Bjerkholt & Ådne Cappelen (1988) Military R&D and Economic Growth in Industrialized Market Economies, in Peter Wallensteen, ed., Peace Research: Achievements and Challenges. Boulder/London: Westview (198–215).
Gleditsch, Nils Petter; Olav Bjerkholt; Ådne Cappelen & Knut Moum (1983) The Economic Effects of Conversion: A Case Study of Norway, in Tuomi, Helena; & Raimo Väyrynen, eds, Militarization and Arms Production. London: Palgrave Macmillan (225–258).
Gleditsch, Nils Petter (1982) Utvikling, nedrustning, militarisering [Development, Disarmament, Militarization], in Odd Andreassen, ed., Nedrustning. Oslo: Universitetsforlaget (106–111).
Gleditsch, Nils Petter & Owen Wilkes (1981) Antiubåtkrigføring og strategi [Anti-Submarine Warfare and Strategy], in Gleditsch, Nils Petter; & Owen Wilkes, eds, Onkel Sams kaniner. Teknisk etterretning i Norge. Oslo: PAX (123–150).
Gleditsch, Nils Petter & Owen Wilkes (1981) Etterretningsstasjoner i Norge [Intelligence Stations in Norway], in Gleditsch, Nils Petter; & Owen Wilkes, eds, Onkel Sams kaniner. Teknisk etterretning i Norge. Oslo: PAX (15–78).
Gleditsch, Nils Petter & Owen Wilkes (1981) Forskning om etterretning [Research about Intelligence], in Gleditsch, Nils Petter; & Owen Wilkes, eds, Onkel Sams kaniner. Teknisk etterretning i Norge. Oslo: PAX (79–121).
Gleditsch, Nils Petter & Owen Wilkes (1981) NADGE og AWACS: Luftforsvar og luftangrep [NADGE and AWACS: Aerial Defense and Aerial Warfare], in Gleditsch, Nils Petter; & Owen Wilkes, eds, Onkel Sams kaniner. Teknisk etterretning i Norge. Oslo: PAX (175–193).
Gleditsch, Nils Petter (1981) Etterretning og overvåking: Teknologiske muligheter og sosiale begrensninger [Intelligence and surveillance: Technological possibilities and social limitations], in Falch, Sturla; & Thomas Mathiesen, eds, Vekterstaten: Om kontrollpolitikken i det moderne samfunnet. Oslo: PAX (135–149).
Gleditsch, Nils Petter (1980) The Structure of Galtungism, in Gleditsch, Nils Petter; Odvar Leine; Hans-Henrik Holm; Tord Høivik; Arne Martin Klausen; Erik Rudeng; & Håkan Wiberg, eds, Johan Galtung: a Bibliography of his Scholarly and Popular Writings, 1951–80. Oslo: PRIO (64–81).
Gleditsch, Nils Petter (1980) Høyt spill om forhåndslagring [High stakes about prepositioning], in Magne Barth, ed., Forhåndslagring i Norge?. Oslo: PAX (75–94).
Berg, Per & Nils Petter Gleditsch (1980) Avtalen [The treaty], in Magne Barth, ed., Forhåndslagring i Norge?. Oslo: PAX (215–224).
Gleditsch, Nils Petter & Johan Galtung (1980) International Air Communication: A Study in World Structure, in Johan Galtung, ed., Essays in Peace Research IV. Copenhagen: Ejlers (152–204).
Gleditsch, Nils Petter (1978) Hvordan og hvorfor Norge fikk Loran-C [How and Why Norway got Loran-C], in Gleditsch, Nils Petter; Ingvar Botnen; Sverre Lodgaard; & Owen Wilkes, eds, Norge i atomstrategien. Atompolitikk, basepolitikk, alliansepolitikk. Oslo: PAX (52–68).
Gleditsch, Nils Petter (1978) Informasjon om forsvarsspørsmål [Information about Defense Matters], in Gleditsch, Nils Petter; Ingvar Botnen; Sverre Lodgaard; & Owen Wilkes, eds, Norge i atomstrategien. Atompolitikk, basepolitikk, alliansepolitikk. Oslo: PAX (195–210).
Gleditsch, Nils Petter (1977) Etterord [Postscript], in Andreas Schei, ed., Loran-C og Omega. Instilling fra Utvalget til undersøkelse av saken om etablering av Loran-C og Omega stasjoner i Norg. Oslo: PAX (119–132).
Gleditsch, Nils Petter (1971) Lähi-Idän vourovaikutuskuriot [Interaction Patterns in the Middle East], in Unto Vesa, ed., Sodat, kriisit ja rauhantutkimus. Tampere: TAPRI (77–104).
Gleditsch, Nils Petter (1968) Some Comments on Non-violent Defense ​Research, in Civilian Defense. Bielefeld: Bertelsman Universitätsverlag Reinhard Mohnb (155–164).

Edited Volume

Gleditsch, Nils Petter (ed.) (2020) Lewis Fry Richardson: His Intellectual Legacy and Influence in the Social Sciences. Heidelberg: Springer. Pioneers in Arts, Humanities, Science, Engineering, Practice (27).
Gleditsch, Nils Petter (ed.) (2017) R.J. Rummel: An Assessment of His Many Contributions. Cham: Springer. SpringerBriefs on Pioneers in Science and Practice.
Schneider, Gerald; & Nils Petter Gleditsch, eds, (2013) Assessing the Capitalist Peace. London: Routledge.
Schneider, Gerald; Katherine Barbieri; & Nils Petter Gleditsch, eds, (2003) Globalization and Armed Conflict. Lanham, MD.
Diehl, Paul F.; & Nils Petter Gleditsch, eds, (2001) Environmental Conflict. Oxford.
Mouhleb, Naima; Göran Lindgren; & Nils Petter Gleditsch, eds, (2000) Making Peace Pay. A Bibliography on Disarmament & Conversion. Claremont, CA: Regina Books. The new war/peace bibliography series.
Gleditsch, Nils Petter (ed.) (1997) Conflict and the Environment. Dordrecht: Springer.
Gleditsch, Nils Petter; Olav Bjerkholt; Ron P. Smith; Ådne Cappelen; & J. Paul Dunne, eds, (1996) The Peace Dividend. Amsterdam: North-Holland. Contributions to Economic Analysis, 235.
Njølstad, Olav; & Nils Petter Gleditsch, eds, (1990) Arms Races. Technological and Political Dynamics. London: SAGE.
Gleditsch, Nils Petter; & et al, eds, (1990) Svaner på vildveje [Swans off Piste]. Copenhagen: Vindrose.
Gleditsch, Nils Petter (ed.) (1971) Kamp utan vapen [Struggle Without Arms]. Stockholm: PRISMA.
Galtung, Johan; & Nils Petter Gleditsch, eds, (1970) Samarbeid i Europa [Cooperation in Europe]. Oslo: PAX.

Non-refereed Journal Article

Urdal, Henrik; Gudrun Østby & Nils Petter Gleditsch (2014) Journal of Peace Research, Peace Review 26(4): 500–504.
Gleditsch, Nils Petter (2012) Open Access in International Relations: A Symposium, International Studies Perspectives 13(3): 211–215.
Schneider, Gerald; Nils Petter Gleditsch & Sabine C. Carey (2011) Forecasting in International Relations: One Quest, Three Approaches, Conflict Management and Peace Science 28(1): 5–14.
Urdal, Henrik & Nils Petter Gleditsch (2010) Grønn fred? Nobelkomiteens miljøpriser [Green Peace? The Environmental Prizes of the Nobel Committee], Internasjonal Politikk 68(4): 617–627.
Schneider, Gerald & Nils Petter Gleditsch (2010) The Capitalist Peace: The Origins and Prospects of a Liberal Idea, International Interactions 36(2): 107–114.
Schneider, Gerald; Nils Petter Gleditsch & Sabine C. Carey (2010) Exploring the Past, Anticipating the Future: A Symposium, International Studies Review 12(1): 1–7.
Gleditsch, Nils Petter & Henrik Urdal (2009) Svar til Neumann [Reply to Neumann], Internasjonal Politikk 67(2): 309–.
Gleditsch, Nils Petter (2008) The Liberal Moment Fifteen Years On, International Studies Quarterly 52(4): 691–712.
Gleditsch, Nils Petter & Henrik Urdal (2008) Om topptidsskrifter i internasjonal politikk [On Top Journals in International Relations], Internasjonal Politikk 66(4): 699–702.
Gleditsch, Nils Petter (2007) Incentives to Publish, European Political Science 6(2): 185–191.
Gleditsch, Nils Petter (2007) 'Changements environnementaux, sécurité et conflits', Les Cahiers de la Securité 63(4): 121–156.
Gleditsch, Nils Petter; Mirjam E. Sørli & Håvard Strand (2005) Hva er det med Midtøsten? [What is it about the Middle East], Babylon 3(2): 10–15.
Strand, Håvard; Mirjam E. Sørli & Nils Petter Gleditsch (2005) Hva er det med Midtøsten? [What is it about the Middle East?], Babylon 3(2): 10–15.
Gleditsch, Nils Petter (2005) Enda høyere? [Even Higher?], Forskningspolitikk 28(2): 21–.
Gleditsch, Nils Petter (2002) Borgerkrig - vår tids landeplage?, Økonomisk Forum 56(1): 4–7.
Gleditsch, Nils Petter (2002) Double-Blind but More Transparent, Journal of Peace Research 39(3): 259–262.
Gleditsch, Nils Petter (1998) Preface, Journal of Peace Research 35(1): 5–6.
Gleditsch, Nils Petter (1996) The APSR Hall of Fame: A Comment, PS: Political Science and Politics 29(4): 637–638.
Gleditsch, Nils Petter (1995) The Treholt Case - a Review of the Literature, Intelligence and National Security 10(3): 529–538.
Gleditsch, Nils Petter (1993) Gründerens rolle [The Role of the Entrepreneur], Forskningspolitikk 16(2): 10–11.
Gleditsch, Nils Petter (1989) Kampen om fortiden [The Fight over the Past], Vandkunsten 1(1): 3–5.
Gleditsch, Nils Petter (1988) Hemmelighold: den britiske modellen [Secrecy: the British Model], Norsk Statsvitenskapelig Tidsskrift 4(2): 173–193.
Skomsvold, Rolf; Nils Petter Gleditsch; Ådne Cappelen & Olav Bjerkholt (1987) Regional-økonomiske konsekvenser av nedrustning i Norge [Regional Economic Consequences of Disarmament in Norway], Sosiologi idag 17(3): 113–130.
Gleditsch, Nils Petter (1978) Militariseringen av Norge [The Militarization of Norway], Idé 12(2): 32–36.
Gleditsch, Nils Petter (1977) Har basepolitikken noen verdi? [Does the Base Policy have any Value?], Samtiden 86(4): 210–222.
Gleditsch, Nils Petter; Tord Høivik & Ottar Hellevik (1976) Noen enkle modeller for valg og folkeavstemninger [Some Simple Models for Elections and Referenda], Tidsskrift for Samfunnsforskning 15(3): 233–268.
Gleditsch, Nils Petter (1973) Organiseringen av fredsforskning i Norge [The Organization of Peace Research in Norway], Forskningsnytt 18(3): 17–19.
Gleditsch, Nils Petter (1973) EF-saken i massemedia [Mass Media and the Common Market Issue], Omkring(5): 27–33.
Gleditsch, Nils Petter (1972) Generaler og fotfolk i utakt [Generals and Rank-and-file Out of Step in the Common Market Issue], Internasjonal Politikk(4): 795–804.
Gleditsch, Nils Petter; Ottar Hellevik & Tord Høivik (1972) Folkemeininga om EEC i 1971 [The Development of Public Opinion on the Common Market in 1971], Syn og Segn(2): 1–13.
Gleditsch, Nils Petter & Helge Hveem (1972) Den britiske EEC-opinionen [British Opinions about the EEC], Samtiden(2): 120–128.
Gleditsch, Nils Petter; Åke Hartmann & Jon Naustdalslid (1971) Mardøla-aksjonen [The Mardøla Demonstration], Tidsskrift for samfunnsforskning 12(3): 177–210.

Popular Article

Gleditsch, Nils Petter (2016) Demokratisk intervensjon? [Democratic Intervention?], Dagens Næringsliv, 11 November.
Gleditsch, Nils Petter (2016) Myter om krig og fred [Myths about War and Peace], forskning.no, 11 November.
Gleditsch, Nils Petter & Ida Rudolfsen (2016) Are Muslim Countries More Violent?, Washington Post - Monkey Cage, 16 May.
Gleditsch, Nils Petter & Ida Rudolfsen (2015) Brannen i islams hus [The Fire in the House of Islam], Aftenposten innsikt, 12 March.
Gleditsch, Nils Petter (2010) Klima og politisk uro [Climate and Political Unrest], Aftenposten, 21 July.
Gleditsch, Nils Petter (2009) Mappene våre [Our Files], Rettferd og politikk. Festskrift til Hilde Bojer, 18 December.
Gleditsch, Nils Petter (2009) Krenkende kritikk [Injurious Criticism], Dagbladet, 27 November.
Gleditsch, Nils Petter (2009) Fra opprørere til statsstøtter? [From Rebels to Pillars of the State?], Dagbladet, 20 November.
Gleditsch, Nils Petter (2008) Til fest [The Festchrift], Forskningspolitikk, 16 December.
Gleditsch, Nils Petter & Bjart Holtsmark (2008) På stadig tynnere is [On Ever Thinner Ice], Aftenposten, 2 November.
Gleditsch, Nils Petter (2008) Doktorgraden [The Doctoral Degree], Forskningspolitikk, 20 October.
Gleditsch, Nils Petter (2008) Forskerne mangler dokumentasjon [The Scholars Lack Documentation], Aftenposten, 2 October.
Gleditsch, Nils Petter (2008) Hva hviler de på? [On What Do They Rest?], Aftenposten, 18 September.
Gleditsch, Nils Petter (2008) Klima, klima, klima [Climate, Climate, Climate], Forskningspolitikk, 16 June.
Gleditsch, Nils Petter (2008) Erich Weedes regel [Erich Weede's Rule], Forskningspolitikk, 1 March.
Gleditsch, Nils Petter (2008) Klimandringer og sikkerhet, FN-magasinet, 19 February.
Gleditsch, Nils Petter (2006) Slett ingen fred i verden [A Peaceful World?], Aftenposten, 26 October.
Gleditsch, Nils Petter & Henrik Urdal (2004) Roots of Conflict: Don't Blame Environmental Decay for the Next War, The New York Times, 5 December.
Gleditsch, Nils Petter (2004) Kritikeren som ikke forsvant, Stavanger Aftenblad, 27 November.
Urdal, Henrik & Nils Petter Gleditsch (2004) Roots of Conflict: Don't Blame Environmental Decay for the Next War, International Herald Tribune, 22 November.
Gleditsch, Nils Petter & Henrik Urdal (2004) Fredspris for treplanting? [Peace Prize for Tree Planting?], Aftenposten, 17 October.
Gleditsch, Nils Petter & Henrik Urdal (2004) Fredpris for treplanting? [Peace Prize for Planting Trees?], Aftenposten, 17 October.
Gleditsch, Nils Petter (2003) Mappa Mi [My File], Dagbladet, 20 December.

PRIO Report

de Soysa, Indra; Nils Petter Gleditsch; Michael Gibson; Margarete Sollenberg; & Arthur H. Westing (1999) To Cultivate Peace - Agriculture in a World of Conflict, PRIO Report, 1. Oslo: PRIO.
Skomsvold, Rolf; Nils Petter Gleditsch; Ådne Cappelen; & Olav Bjerkholt (1987) Local effects of conversion in Norway, PRIO Report, 5. Oslo: PRIO.
Gleditsch, Nils Petter; Olav Bjerkholt; Ådne Cappelen; & Nicole Ball (1986) Economic incentives to arm. Effects of military spending on industrialized market economies, PRIO Report, 21. Oslo: PRIO.

Master Thesis

Gleditsch, Nils Petter (1968) The Structure of the International Airline Network. MA thesis, Department of Sociology, University of Oslo, Oslo.

Conference Paper

Gleditsch, Nils Petter (2016) Islamic Conflicts – A Threat to the Waning of War?, presented at 57th Annual Convention of the International Studies Association, Atlanta, 17.03.16.
Rolseth, Amund; Ole Magnus Theisen & Nils Petter Gleditsch (2015) Violence against civilians 1900-87: Regime type, climate change and the severity of democide, presented at 56th Annual Convention of the International Studies Association, New Orleans, 18–21 February 2015.
Gleditsch, Nils Petter (2013) Climate, Geography, and Civil Conflict, presented at 54th Annual Convention of the International Studies Association, San Francisco, 03.04.13 – 06.04.13.
Gleditsch, Nils Petter (2013) Climate, Geography, and Civil Conflict, presented at PSS-ISA Joint International Conference, Budapest, 27.06.13 – 29.06.13.
Gleditsch, Nils Petter (2013) Climate, Geography, and Civil Conflict, presented at Jan Tinbergen European Peace Science Conference, Milan, 24.06.13 – 26.06.13.
Gleditsch, Nils Petter (2013) The Future of War and Conflict, presented at Panel contribution at the conference on Conflict Management and Global Governance in an Age of Awakening, Waterloo, 24.01.13 – 25.01.13.
Buhaug, Halvard;Falch, Åshild; & Gleditsch, Nils Petter 2010 The Bottom Billion and Climate Change, presented at International Studies Association Annual Convention, , 17–20 February.
Gleditsch, Nils Petter 2009 Updating the Battle Deaths Dataset, presented at XXVI International Population Conference, , 27 September.
Nordås, Ragnhild; & Gleditsch, Nils Petter 2009IPCC and the Climate-Conflict Nexus , presented at 50th Annual Convention of the International Studies Association15 February.
Buhaug, Halvard; Nils Petter Gleditsch & Ole Magnus Theisen (2008) Climate Change, the Environment, and Armed Conflict, presented at American Political Science Association, Boston, MA, 28–31 August.
Gleditsch, Nils Petter; & Theisen, Ole Magnus 2008 Climate Change, the Environment, and Armed Conflict, presented at International Studies Association, , 26–29 March.
Rustad, Siri Aas; Jan Ketil Rød; Wenche Larsen & Nils Petter Gleditsch (2007) Foilage and Fighting: Forest resources and the onset, duration and location of civil warPalma, Mallorca, December.
Gleditsch, Nils Petter (2007) The Decline of War – Will it Continue?, presented at the 48th Annual Metting of the International Studies Association, Chicago, IL, 28 February–3 March.
Hegre, Håvard; Nils Petter Gleditsch & Håvard Strand (2007) Democracy and Civil War, presented at Statsvitenskaplig Fagkonferanse, Trondheim, 3–5 January.
Gleditsch, Nils Petter; Lene Siljeholm Christiansen & Håvard Hegre (2007) Democratic Jihad? Military Intervention and Democracy, presented at Post-Conflict Transitions Conference, World Bank, Washington, DC, 30 April–1 May.
Binningsbø, Helga Malmin; Indra de Soysa & Nils Petter Gleditsch (2006) Green Giant, or Straw Man? Environmental Pressure and Civil Conflict, 1961–99, presented at the 47th Annual Convention of the International Studies Association (ISA), San Diego, 22–25 March.
Nordås, Ragnhild; & Gleditsch, Nils Petter 2005Climate Change and Conflict: Common Sense or Nonsense 8–10 September.
Nordås, Ragnhild; & Gleditsch, Nils Petter 2005Climate Change and Conflict: Common Sense or Nonsense? 22–23 June.
Lacina, Bethany Ann; Nils Petter Gleditsch & Bruce M. Russett (2005) The Declining Risk of Death in Battle, presented at the Third General Conference of the European Consortium for Political Research, Budapest, 8–10 September.
Binningsbø, Helga Malmin; Indra de Soysa & Nils Petter Gleditsch (2005) Green Giant or Straw Man? Environmental Pressure and Civil Conflict 1961–99, presented at The 101st Annual Meeting of the American Political Science Association, Washington, DC, 1–4 September 2005.
Russett, Bruce M.; Nils Petter Gleditsch & Bethany Ann Lacina (2005) The Declining Risk of Death in Battle, presented at the 46th Annual Convention of the International Studies Association, Honolulu, HI, 1–5 March.
de Soysa, Indra; Nils Petter Gleditsch & Helga Malmin Binningsbø (2005) Green Giant or Straw Man? Environmental Pressure and Civil Conflict 1961–99, presented at 101st Annual Meeting of the American Political Science Association and the Third General Conference of the European Consortium for Political Research, Budapest, 8–10 September.
Russett, Bruce M.; Nils Petter Gleditsch & Bethany Ann Lacina (2005) The Declining Risk of Death in Battle, presented at The Third General Conference of the European Consortium for Political Research, Budapest, 8–10 September.
Gleditsch, Nils Petter; Lene Siljeholm Christiansen & Håvard Hegre (2004) Democratic Jihad? Military Intervention and Democracy, presented at Workshop on 'Democratic Institutions and Processes and Civil War', Centre for Human Security & Centre for the Study of Civil War, Bellagio, Italy, 7–9 June.
Christiansen, Lene Siljeholm; Nils Petter Gleditsch & Håvard Hegre (2004) Democratic Jihad? Military Intervention and Democratic, presented at Workshop on 'Democratic Institutions and Processes and Civil War', Bellagio, Italy, 7–9 June.
Gleditsch, Nils Petter (2004) The Death of Distance? The Globalization of Armed Conflict, presented at a conference on Globalization, Territoriality, and Conflict, La Jolla, 16–18 January.
Owen, Taylor; Kathryn Furlong; Bethany Ann Lacina & Nils Petter Gleditsch (2004) Conflicts over Shared Rivers: Resource Wars or Fuzzy Boundaries?, presented at 45th Annual Convention of the International Studies Association, Montreal, 17–20 March.
Hegre, Håvard; Nils Petter Gleditsch & Lene Siljeholm Christiansen (2004) Democratic Jihad? Military Intervention and Democracy, presented at Joint Sessions of Workshops, Uppsala, 13–18 April.
Owen, Taylor; Nils Petter Gleditsch; Kathryn Furlong & Bethany Ann Lacina (2004) Conflicts over Shared Rivers: Resource Wars or Fuzzy Boundaries?, presented at 45th Annual Convention of the International Studies Association, Montreal, 17–20 March.
Hegre, Håvard; Lene Siljeholm Christiansen & Nils Petter Gleditsch (2004) Democratic Jihad? Military Intervention and Democracy, presented at 45th Annual Convention of the International Studies Association, Montreal, 17–20 March.
Lujala, Päivi; Nils Petter Gleditsch & Elisabeth Gilmore (2003) A Diamond Curse? Civil War and a Lootable Resource, presented at Workshop on Natural Resources and War, Montreal, 14 September.
Gleditsch, Nils Petter & Kathryn Furlong (2003) Geographic Opportunity and Neomalthusian Willingness: Shared Rivers, Boundary Length, and Conflict, presented at 44th Annual Convention of the International Studies Association (ISA), Portland, OR, 1 March.
Rød, Jan Ketil & Nils Petter Gleditsch (2002) Kartografisk visualisering av konflikter, presented at Kartdagene, Oslo, 13–15 March.
Gleditsch, Nils Petter (2001) The Liberal Globalist Case, presented at Conference at the University of Gothenburg, Gothenburg, 1 January.
Gleditsch, Nils Petter (2001) Shared Rivers, Conflict, and Cooperation, presented at the Fourth Pan-European International Relations Conference, University of Kent, Canterbury, 1 January.
Gleditsch, Nils Petter (2001) Armed Conflict and Human Security, presented at the workshop on the Human Security Report, Program on Humanitarian Policy and Conflict Research, Harvard University, 1 January.
Gleditsch, Nils Petter (2001) Statement at the session ‘Conflict Risks and Risk Management’, presented at Greenland in the Security Context, Nuuk at Katuaq, 21–22 March.
Gleditsch, Nils Petter (2001) Armed Conflict 1946–99: A New Dataset, presented at the Conference on ‘Identifying Wars: Systematic Conflict Research and Its Utility in Conflict Resolution and Prevention’, Uppsala, 1 January.
Gleditsch, Nils Petter & Håvard Hegre (2001) Political Institutions, Globalization, and Conflict, presented at the World Bank Conference on The Economics and Politics of Civil War: Launching the Case-Study Project, Soria Moria Conference Center, Oslo, 11 June.

PRIO Policy Brief

Gleditsch, Nils Petter & Ida Rudolfsen (2015) Are Muslim Countries More War-Prone?, Conflict Trends, 3. Oslo: PRIO.

Report - Other

Buhaug, Halvard; Nils Petter Gleditsch; & Ole Magnus Theisen (2008) Implications of Climate Change for Armed Conflict, Social Dimensions of Climate Change Workshop. Washington, DC.
Narud, Hanne Marthe; Alf Håkon Hoel; Audun Offerdal; Ann-Helen Bay; Ståle Ulriksen; Eli Feiring; Anders Todal Jensen; Per Selle; Nils Petter Gleditsch; & Hilmar Rommetvedt (2004) Fagplan for norsk statsvitenskap [National Plan for Political Science]Oslo: Norges Forskningsråd.
Gleditsch, Nils Petter; Håvard Hegre; & Scott Gates (2004) Towards a Global Civil Peace, background note to the United Nations Foundation. .
Gleditsch, Nils Petter (2002) The Future of Armed ConflictRamat Gan, Israel.
Cappelen, Ådne; Olav Bjerkholt; & Nils Petter Gleditsch (1982) Global Conversion from Arms to Development Aid: Macroeconomic Effects in Norway, S-Series, 9. Oslo: PRIO.
Bjerkholt, Olav; Ådne Cappelen; Nils Petter Gleditsch; & Knut Moum (1980) Disarmament and Development: A Case Study of Conversion in NorwayOslo: PRIO.

Report - External Series

Gleditsch, Nils Petter; Lene Siljeholm Christiansen; & Håvard Hegre (2007) Democratic Jihad? Military Intervention and Democracy, World Bank Policy Research Working Paper, 4242. .
Salehyan, Idean; Ragnhild Nordås; & Nils Petter Gleditsch (2007) Climate Change and Conflict: The Migration Link, Coping with Crisis Working Paper Series. New York: International Peace Academy.

Book Review

Gleditsch, Nils Petter (2019) Review of Geir Lundestand, ed., The World's Most Prestigious Prize: The Inside Story of the Nobel Peace Prize, in Journal of Peace Research .
Gleditsch, Nils Petter (2016) Review of Harrison, Ewan; & Sara ​McLaughlin Mitchell, eds, The Triumph of Democracy and the Eclipse of the West, in Journal of Peace Research .
Gleditsch, Nils Petter (2016) Review of Piki Ish-Shalom, ed., Democratic Peace: A Political Biography, in Journal of Peace Research .
Gleditsch, Nils Petter (2015) Review of Terje Rasmussen, ed., Offentlig parlamentarisme. Politisk strid og offentlig mening 1945–2000 [Public parliamentarism: Political strife and public opinion, 1945–2000], in Norsk statsvitenskapelig tidsskrift 32(5): 203–205.
Gleditsch, Nils Petter (2013) Review of Arthur H. Westing, ed., Arthur H. Westing: Pioneer on the Environmental Impact of War, in Journal of Peace Research 50(2): 264–264.
Gleditsch, Nils Petter (2013) Review of Lawrence S. Wittner, ed., Working for Peace and Justice: Memoirs of an Activist Intellectual, in Journal of Peace Research 50(1): 142–142.
Gleditsch, Nils Petter (2013) Review of Review of Daron Acemoglu and James A. Robinson , ed., Why Nations Fail: The Origins of Power, Prosperity, and Poverty, in Journal of Peace Research 50(6): 761–761.
Gleditsch, Nils Petter (2013) Review of Human Security Report 2012, in Journal of Peace Research 50(2): 261–261.
Gleditsch, Nils Petter (2013) Review of Review of Jared Diamond, ed., The World Until Yesterday: What Can We Learn from Traditional Societies?, in Journal of Peace Research 50(4): 534–534.
Gleditsch, Nils Petter (2013) Review of Review of Paul Preston, ed., The Spanish Holocaust: Inquisition and Extermination in Twentieth-Century Spain, in Journal of Peace Research 50(4): 537–537.
Gleditsch, Nils Petter (2013) Review of Review of Jeff D. Colgan, ed., Petro-Aggression: When Oil Causes War, in Journal of Peace Research 50(6): 770–770.

Blog Posts

Can Peace be Researched? Revisiting a 55-Year-Old TV Program

Posted by Nils Petter Gleditsch on Monday, 13 December 2021

I was reminded recently that a 55-year-old TV program about PRIO and peace research is currently available on the website of NRK, Norway’s public radio and TV company. You can access it here. The two-part program was broadcast on 18 and 25 October 1966. NRK does not have any information ... Read more »

The Democratic Civil Peace and Beyond: Scott Gates Interviewed by Nils Petter Gleditsch

Posted by Nils Petter Gleditsch on Monday, 12 April 2021

Scott Gates, interviewed by Nils Petter Gleditsch ‘Strong critical theory doesn’t play a big role in peace science anymore, or even in peace studies’, states American political scientist Scott Gates in this conversation with his long-term collaborator Nils Petter Gleditsch. Scott calls for more and better recording of data disaggregated ... Read more »

An Australian Viking has laid down his pen

Posted by Nils Petter Gleditsch on Friday, 22 January 2021

Andrew Mack, known to his friends as Andy, died peacefully in Vancouver on 20 January, just before his 82nd birthday. Andy was best known in recent years for his work as the founder and editor of the Human Security Report, with four editions from 2005 to 2013, as well as ... Read more »

Johan Galtung at 90: His Enduring Legacy to Peace Research in Oslo

Posted by Nils Petter Gleditsch on Saturday, 24 October 2020

The banner on the front page of PRIO’s Annual Reports and other publications proudly reads: Independent • International • Interdisciplinary These three key points for PRIO today, as well as other important features of contemporary peace research in Oslo, can be traced back to PRIO’s founder, Johan Galtung. He turns ... Read more »

Toward a Social-Democratic Peace?

Posted by Nils Petter Gleditsch on Wednesday, 10 June 2020

The post–World War II period has shown a clear, albeit erratic, decline of organized violence. Violence in this period peaked during the Chinese Civil War, the Korean War, the Vietnam War, and most recently the Syrian Civil War, but the peaks are declining over time and the long-term trend in ... Read more »

In memoriam: Arthur H. Westing (1928–2020)

Posted by Nils Petter Gleditsch on Wednesday, 6 May 2020

Arthur Westing joined PRIO in January 1988. Sverre Lodgaard, who had worked at the Stockholm International Peace Research Institute (SIPRI) for the past six years, returned to Oslo to take over the position as Director of PRIO. As a bonus, he was able to bring Arthur to Oslo at the ... Read more »

Olav Bjerkholt (1942–2020)

Posted by Nils Petter Gleditsch on Friday, 21 February 2020

Olav Bjerkholt, professor emeritus of economics at Oslo University, passed away on 16 February. A mathematician who converted himself to an economist, he worked in the Research Department at Statistics Norway (Statistisk sentralbyrå, SSB) for 30 years. He then moved to the University of Oslo as professor of energy and ... Read more »

Lewis F Richardson – An Exceptional Scholar

Posted by Nils Petter Gleditsch on Thursday, 19 December 2019

Lewis Fry Richardson (1881–1953) was an extraordinary scholar. Trained as a physicist, he became world famous in two rather different fields, meteorology and peace research. Academic prizes have been named for him in both areas. He also made important contributions to psychology. My just-published edited volume reviews Richardson’s contributions to ... Read more »

Opening Peace Research

Posted by Nils Petter Gleditsch on Monday, 21 October 2019

This week, we’ll be marking International Open Access Week with a series of short blog posts on open access and open science at PRIO. Today, we kick off the series with a blog by Nils Petter Gleditsch. We asked Nils Petter – a long-standing cornerstone of the community here at ... Read more »

A Book that Looks Like an Encyclopedia

Posted by Nils Petter Gleditsch on Tuesday, 26 February 2019

Write about a book that has been particularly important for me? A difficult task! In those formative youthful years when one is attempting to shape one’s identity, in the profession as well as in society, many books and articles exert an influence – now in one direction, then in another. ... Read more »

Confessions of a Defector from Sociology (1)

Posted by Nils Petter Gleditsch on Friday, 9 February 2018

I am very grateful to the Norwegian Sociological Association for awarding me its Lifetime Achievement Award for 2018 (Norwegian original of the citation here, English translation here). Why did I become a sociologist? Why did I leave? And: Do I regret it? In fact, I find this exceptionally generous. Although I was ... Read more »

Nils Petter Gleditsch: Ted Gurr Has Passed Away

Posted by Nils Petter Gleditsch on Wednesday, 29 November 2017

Sad news: Ted Robert Gurr died on 25 November He was a true giant of our field, who will be remembered for his contributions to the study of civil violence, crime, genocide, democracy, and ethnic conflict – and more. Ted’s main contribution to the study of civil violence, Why Men ... Read more »

Rudy Rummel – a Many-Faceted Scholar

Posted by Nils Petter Gleditsch on Thursday, 20 July 2017

From mathematics to democide Rudolph J Rummel always published just as RJ Rummel but was well known in the profession as Rudy. He was a man of many talents, and to some of his readers he may also have seemed to present many different faces. He came from a broken ... Read more »

The East Asian Peace – Two New Books

Posted by Nils Petter Gleditsch on Friday, 12 May 2017

Two books were launched earlier this week from the East Asian Peace (EAP) program at Uppsala University, led by Stein Tønnesson of PRIO and Uppsala University. One is a monograph by the program director, Stein Tønnesson, Explaining the East Asian Peace, the other a volume edited by Elin Bjarnegård & Joakim ... Read more »

A Tourist in Search of the Real Cuba

Posted by Nils Petter Gleditsch on Tuesday, 7 March 2017

After traveling in Cuba for two weeks, I sit down to reflect: What is Cuba? A socialist laboratory for Che Guevara’s ‘New Man’? A vast outdoor museum of Spanish colonial architecture? An extraordinary collection of sixty-year old American gas-guzzling automobiles? A zoo for humans (excellent health care, low infant mortality, ... Read more »

Replication in International Relations

Posted by Nicole Janz & Nils Petter Gleditsch on Thursday, 23 February 2017

The integrity of science is threatened in many ways – by direct censorship; by commercial, political, or military secrecy; by various forms of publication bias; by exorbitant journal subscription fees that effectively deny access to the general public; by cheating and falsification of results; and by sloppiness in the research ... Read more »

Democratic Intervention?

Posted by Nils Petter Gleditsch on Tuesday, 15 November 2016

Donald Trump has made statements sceptical of military interventions in the Middle East. This is perhaps a rare piece of good news. Military intervention as a means of building democracy has once again become a hot topic. The Norwegian government has been criticized due to the consequences of the intervention ... Read more »

Myths About War and Violence

Posted by Nils Petter Gleditsch on Monday, 14 November 2016

‘Calculations made by a former president of the Norwegian Academy of Science and Letters, with the assistance of historians from a number of countries, show that since 3600 BC, the world has known only 292 years of peace. Since 650 BC, there have been 1,656 arms races. Sixteen of them ... Read more »

The Victims of War: Light at the End of the Tunnel?

Posted by Nils Petter Gleditsch on Thursday, 10 November 2016

In making the choice between pessimism and optimism, it may be a risky business to lean on everyday news. Let us rather have a look at figures that reveal more long-term tendencies. Steven Pinker’s book The Better Angels of Our Nature, published in 2011, painted an optimistic picture of mankind ... Read more »

Oh my, not another ‘Festschrift’!

Posted by Nils Petter Gleditsch on Friday, 14 August 2015

Eight years ago, I wrote a short piece for a Norwegian science policy journal lampooning the Festschrift as an outmoded form of academic communication. The Festschrift, I can hear some of my non-Scandinavian readers ask: Are such volumes still being published? Surprisingly, the answer is yes. Of course, it is ... Read more »

The Fire in the House of Islam

Posted by Nils Petter Gleditsch on Friday, 20 March 2015

Generally speaking, the global map of conflict is increasingly shaped by armed conflicts involving Muslims on one side or the other, or on both. Are Muslim countries particularly belligerent? Is the religion to blame? Despite the numerous items of bad news delivered by the mass media on a daily basis, ... Read more »

Fifty Years Since the Selma March

Posted by Nils Petter Gleditsch on Sunday, 8 March 2015

Yesterday, at the Edmund Pettus Bridge, President Obama and over 100 members of the US Congress celebrated the 50th anniversary of the historic civil rights march in Selma, a turning-point in the non-violent civil rights movement. President Obama was introduced by John Lewis, who with Hosea Williams and others led ... Read more »

More on the Waning of War

Posted by Nils Petter Gleditsch on Tuesday, 27 January 2015

On 22 December I reported in this blog on an article by political science professor Øyvind Østerud 18 December in the leading Norwegian newspaper Aftenposten that attacked Steven Pinker and ‘large parts of peace research’ for using ‘relative numbers’, i.e. numbers weighted by population, to assess long-term trends in the severity ... Read more »

Surveillance Under Control?1/a>

Posted by Nils Petter Gleditsch on Wednesday, 21 January 2015

We cannot make do without surveillance, and even political actors must expect to be kept under observation if they espouse extreme positions. But we must keep surveillance under control. This article tells the story of the information about me that had lain in the files of the police security service ... Read more »

Poor Research or What?

Posted by Nils Petter Gleditsch on Monday, 22 December 2014

A Norwegian political scientist published an article in the Norwegian daily Aftenposten on 17 December where he criticized the ‘waning-of-war’ argument promoted by, among others, Steven Pinker and ‘major parts of peace research’. Curiously, the article was published in the paper’s column for ‘dårlig forskning, flau formidling, kunnskapsløse politiske forslag ... Read more »

Climate Change and War

Posted by Nils Petter Gleditsch on Thursday, 17 April 2014

The day after the publication of the latest report from the UN’s Intergovernmental Panel on Climate Change (IPCC) on the effects of climate change, Norwegian daily newspaper Dagsavisen was able to report that Norway’s Minister for Climate and Environment now envisaged a future world with more conflicts. This is in ... Read more »

The Role of Non-violence in the Struggle for Liberation

Posted by Nils Petter Gleditsch on Wednesday, 28 September 2011

US Congressman John Lewis gave the PRIO Annual Peace Address 2011. Lewis has been a Member of the US House of Representatives for the Fifth congressional district in Georgia since 1987. He was a prominent leader in the nonviolent civil rights movement in the early 1960s and President Obama has ... Read more »

Roots of conflict : Don't blame environmental decay for the next war

Posted by Nils Petter Gleditsch & Henrik Urdal on Monday, 22 November 2004

When Wangari Maathai, a Kenyan known for her work in human rights and environmental conservation, including efforts to fight deforestation, won the Nobel Peace Prize last month, many took note that the Nobel Committee had evidently expanded its notion of “peace.” “Peace on earth depends on our ability to secure ... Read more »

Related pages