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Archival documents in Dublin, Ireland. 

Peer Reviewed Articles

Christopher Blair, Erica Chenoweth, Michael C. Horowitz, Evan Perkoski, and Philip B. K. Potter, “Honor Among Thieves: Understanding Cooperation Among Violent Non-State Actors.” International Organization, vol. 76, no. 1 (2022): pp. 164 - 203

Evan Perkoski. “Internal Politics and the Fragmentation of Armed Groups.” International Studies Quarterly, vol. 63, no. 4 (2019): 876-889.

Michael Poznansky and Evan Perkoski. “Rethinking Secrecy in Cyberspace: The Politics of Voluntary Attribution.” Journal of Global Security Studies, vol. 3, no. 4 (2018): 402-416.

Michael C. Horowitz, Evan Perkoski, and Philip B. K. Potter. “Tactical Diversity in Militant Violence.” International Organization, vol. 72, no. 1 (2017): 1-33.

Erica Chenoweth, Evan Perkoski, and Sooyeon Kang. “State Repression and Nonviolent Resistance.” Journal of Conflict Resolution vol. 61, no. 9 (2017): 1950-1969.

Peer Reviewed Book Chapters


Evan Perkoski. “Terrorist Technological Innovation” in Oxford Handbook of Terrorism, eds. Erica Chenoweth, Andreas Gofas, and Stathis Kalyvas (Oxford University Press, 2019), pp. 401-414.


Evan Perkoski and Michael Poznansky. “Offense and Defense in Cyberspace” in Military Strategy, Joint Operations, and Airpower: An Introduction., eds. Ryan Burke, Michael Fowler, and Kevin McCaskey (Georgetown University Press, 2018).


Marc Meredith and Evan Perkoski. “Regression Discontinuity Design” in Emerging Trends in the Social and Behavioral Sciences, eds. Robert Scott and Michael Buchmann (Wiley, 2015).

Policy Reports

Erica Chenoweth and Evan Perkoski. “A Source of Escalation or a Source of Restraint? Civil Society and its Effect on Mass Killings​.” Special report for the Simon-Skjodt Center for the Prevention of Genocide, US Holocaust Memorial Museum, July 2020.

Erica Chenoweth and Evan Perkoski. “Nonviolent Resistance and State Repression.” Special report for the International Center on Nonviolent Conflict, April 2018.

Erica Chenoweth and Evan Perkoski. “Preventing Mass Atrocities.” Sie Center Quickfacts Policy Paper, April 2017.

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