Research

Books

State-Committed Mass Atrocities in Civil Wars: When ... and Why?                     Lynne Rienner Publishers (2026)

Finding Soldiers of Peace: Three Dilemmas for UN Peacekeeping Missions . Georgetown University Press (2020)

Peer Reviewed Articles

Capitals Under Siege: Why Some Rebel Groups Achieve Victory While Others Fail. Comparative Political Studies (Accepted/In Press).

Hit Where it Hurts: City Vulnerability during Wartime. (with Bryce Reeder). Journal of Peace Research (Accepted/In Press).

Regional Group Democracy and Election to the United Nations Security Council. Political Studies . https://doi.org/10.1177/00323217251340813

The Urban Origins of Rebellion. (with Ore Koren). Journal of Conflict Resolution 68(9): 1717-1740 (2024)

The Social Origins of Rebellion: Toward a New Quantitative Research Agenda. (with Ore Koren). Journal of Conflict Resolution 68(9): 1675-1690 (2024)

Capture the Fort: Explaining the Timing of rebel Assaults on Cities during Wartime. (with Bryce Reeder). Journal of Conflict Resolution 68(4): 591-615 (2024) 

Coups and the End of Mass Killing Episodes. (with Matthew Wells). Journal of Global Security Studies 8(2):ogad008 (2023)

State Failure, Genocide and Politicide Reconsidered . British Journal of Politics and International Relations 25(1): 83-101 (2023)

An Informational Theory of Genocide and Politicide during Civil War . Comparative Political Studies 55(6): 933-962 (2022)

Rethinking Tests of the IO Effectiveness Hypothesis: Evidence from Counter-Piracy Efforts in the Global South. (with Jonathan Ring). International Studies Review 24(3): viac037 (2022)

Leader Tenure, Genocide, and Politicide during Civil War. Political Research Quarterly 75(4): 1216-1228 (2022)

Genocide, Politicide, and the Prospects of Democratization since 1900 (with Nam Kyu Kim, Nakissa Jahanbani, and Victor Asal).  Journal of Conflict Resolution 65(9): 1521-1550 (2021)

Excluded Ethnic Groups, Conflict Contagion, and the Onset of Genocide and Politicide during Civil War (with Burak Demir). International Studies Quarterly 64(4): 857-866 (2020)

Group Identification, Uncertainty, and the Duration of Genocide and Politicide. International Interactions 46(5): 805-831 (2020)

Discrimination, Genocide, and Politicide (with Victor Asal). Political Research Quarterly 73(2): 352-365 (2020)

Bureaucratic Quality and the Severity of Genocide and Politicide. Dynamics of Asymmetric Conflict 13(2): 125-142 (2020)

Government Mass Killing and Post-Conflict Domestic Trials (with Nam Kyu Kim). Studies in Conflict and Terrorism 43(5):396-413 (2020)

Interstate Rivalry, Genocide and Politicide . Journal of Peace Research 55(4): 476-490 (2018)

Deeper Commitment to Human Rights Treaties: Signaling and Investment Risk Perception (with MiHwa Hong). International Interactions 44(6): 1040-1064 (2018)

Pro-Government International Military Intervention during Genocide and Politicide.  Dynamics of Asymmetric Conflict 11(3): 160-170 (2018)

Government-Sponsored Mass Killing and Civil War Reoccurrence (with Richard Hanania). International Studies Quarterly 61(3): 677-689 (2017)

Government Mass Killing and Domestic Terrorism (with Nazli Avdan). Studies in Conflict & Terrorism 40(11): 934-965 (2017)

Determinants of Foreign Aid, Rivalry, and Domestic Instability (with Toby Rider). International Interactions 43(2): 272-299 (2017)

Domestic Institutions, Leader Tenure, and the Duration of Civil War  (with Matt Wells). Conflict Management and Peace Science 33(3): 294-310 (2016)

Domestic Unrest, Genocide and Politicide. Political Studies 64(2): 315-334 (2016)

Refugee flows and state contributions to post-Cold War UN peacekeeping missions . Journal of Peace Research 52(6): 743-757 (2015)

Civil War Victory and the Onset of Genocide and Politicide. International Interactions 41(2): 365-291 (2015)   

Unpacking the Effects of Genocide and Politicide on Forced Migration . Conflict Management and Peace Science 31(3): 225-243 (2014) 

Domestic Institutions and Credible Signals (with Mark Souva and Sona Golder) . International Studies Quarterly 56(4): 765-776 (2012)

Other Publications

Causes of Genocides. Oxford Bibliographies in 

Political Science (2025)

The Formation and Success of Peace Agreements in Civil  Wars. Oxford Research Encyclopedia of International Studies (2022)

Review of Genocide: Act as Idea .History: Review of New Books 46(2): 54-55

Genocide, Politicide, and Mass Atrocities Against Civilian Populations. Oxford Bibliographies in International Relations (2016)