Professor of Political Science at The University of Pennsylvania
Chapters in Books
“Nationalism and International Security” (with Brendan O’Leary). In the Oxford Handbook on International Security, edited by A. Gheciu and W. Wohlforth. Oxford UP, pp. 415-431, 2018.
“How Strategic is UN Peacebuilding?” In Daniel Philpott and Gerard F. Powers, eds., Strategies of Peace: Transforming Conflict in a Violent World. Oxford and New York: Oxford University Press.
“Terrorism and Civil War.” In Phillip Keefer and Norman Loayza, eds., Terrorism and Economic Development (Cambridge: Cambridge University Press, 2008).
“Globalization, Decentralization, and Secession: A Review of the Literature and Some Conjectures.” In Gustav Ranis, David Cameron, and Annalisa Zinn, eds., Globalization and Self-Determination: Is the Nation-State under Siege? (New York: Routledge, 2006).
“The Collier-Hoeffler Model of Civil War Onset & the Case Study Project Research Design” (with Paul Collier and Anke Hoeffler). Chapter 1 in Paul Collier and Nicholas Sambanis, eds., Understanding Civil War: Evidence and Analysis (volumes 1 & 2) (Washington, DC: World Bank Publications, 2005).
“Using Case Studies to Refine and Expand the Theory of Civil War.” Chapter 9 in Paul Collier and Nicholas Sambanis, eds., Understanding Civil War: Evidence and Analysis (volumes 1 & 2) (Washington, DC: World Bank Publications, 2005).
“Bosnia’s Civil War: Origins and Violence Dynamics” (with Stathis Kalyvas). Chapter 7 in Paul Collier and Nicholas Sambanis, eds., Understanding Civil War: Evidence and Analysis (Volume 2: Europe, Central Asia, and Other Regions).
“Poverty and the Organization of Political Violence: A Review and Some Conjectures.” In Susan M. Collins and Carol Graham, eds., Brookings Trade Forum 2004 (Washington, DC: Brookings Institution, 2005), pp. 165-222.
“Understanding Civil War: A New Agenda” (with Paul Collier). Journal of Conflict Resolution 46 (1): 3-12 (February 2002). (Introduction to the special issue of the journal.)
“Addressing Conflict: Emerging Policy at the World Bank” (with Patricia Cleves and Nat Colletta) In Fen Hampson and David M. Malone (Eds.), From Reaction to Prevention: Opportunities for the UN System (Boulder, CO: Lynne Rienner, 2001).