Illicit Organizations, Governance and Service Provision

Foundations of the Islamic State: Management, Money, and Terror in Iraq, 2005–2010. Santa Monica, CA: RAND Corporation, 2016. (with Patrick B. Johnston, Jacob Shapiro, and Howard J. Shatz.) 

Insurgent Compensation: Evidence from Iraq 2013 AER:P&P 103(3): 518-522. (with Blake Bahney, Radha Iyengar, Patrick Johnston, Howard Shatz and Jake Shapiro)

Managing a Transnational Insurgency: The Islamic State of Iraq’s ‘Paper Trail,’ 2005-2010. West Point, N.Y.:  Combating Terrorism Center, December 15, 2014.  With Jacob N. Shapiro, Pat Ryan and Jon Wallace.

The terrorist bureaucracy: Inside the files of the Islamic State in Iraq,” with Jacob N. Shapiro, The Boston Globe, December 14, 2014.

Negotiating with Rebel Governments: The Effect of Service Provision on Conflict Negotiations  2017. JCR 61(6): 1203-1229 (with Lindsay Heger) Appendix Data

Organizing for resistance: How group structure impacts the character of violence  2012 TPV 25(5): 743-768 (with Lindsay Heger and Wendy H. Wong)

Linking non-state governance and violence. 2017 JOGSS 2(3):220-236(with Wendy Wong and Lindsay Heger)

Competing for Constituents: Trends in Terrorist Service Provision forthcoming. TPV DOI: 0.1080/09546553.2017.1368494  (with William A. Wagstaff)

Organizational Consequences of Intervention: Designing a Hearts and Minds Strategy

When are terrorist groups vulnerable to leadership decapitation? Assessing the role of organizational consolidation (with William A. Wagstaff)

Lynching and Local Justice: The Political Economy of Legitimacy and Accountability in Weak States (with Dara Kay Cohen) Forthcoming

Does membership matter? How Armed Group Composition Influences Public Support (with Dara Kay Cohen)


Organizations and Cooperation

Markets, Networks and Hierarchies: An Agent Based Organizational Ecology (with David A. Lake) AJPS 55(4) 2011: 971-989

Organizations and the Evolution of Cooperation (with David A. Lake) 


Elections and Governance in Emerging Democracies and Fragile States

Improving Electoral Integrity with Information and Communications Technology (with Michael Callen, Clark Gibson, and James D. Long) 2016. JEPS 3(1):4-17.  

How Technology Shapes the Crowd: Participation in the 2014 South African Election (with James D. Long, Craig McIntosh, Karen Ferree, and Clark Gibson) Center for Effective Global Action, Working Paper Series No. 67

Social Sanctioning and Voter Turnout in Emerging Democracies (with James D. Long) Invited to revise and resubmit

Electoral Ink and Turnout in a Fragile Democracy (with Karen Ferree, Robert Dowd, and Clark Gibson) 2018. BJPS data

The double-edged sword of mobilizing citizens via mobile phone in developing countries (with Aaron Erlich, James Long, and Craig McIntosh) 2018 Dev. Engineering 3:34-46

Covering the Campaign: News, Elections, and the Information Environment in Emerging Democracies (with Aaron Erlich and James Long)

Political Violence, Natural Disasters and Prosocial Behavior: Evidence from Haiti (with Dara Kay Cohen and Danielle Villa)



Fatalities and Lethal Violence in Port-au-Prince (2002-2017) (with Dara Kay Cohen)

Terrorism and Insurgent Organization Service Provision (with Lindsay L. Heger)

Terrorist and Insurgent Organization Social Services (v2) (with Lindsay L. Heger and William Andrew Wagstaff)