Publications

With Lisa Martin. “Peacekeepers as Signals: the Demand for International Peacekeeping in Civil Wars.” In Power, Interdependence, and Nonstate Actors in World Politics: Research Frontiers, edited by Helen V. Milner and Andrew Moravcsik. Princeton, NJ: Princeton University Press, 2009.

Does Peacekeeping Work? Shaping Belligerents’ Choices After Civil War (Princeton University Press, 2008).

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With Lise Morjé Howard, “Pitfalls and Prospects in the Peacekeeping Literature.” Annual Review of Political Science (2008).

“Peacekeeping and Democratization.” In War to Democracy: Dilemmas of Peacebuilding, edited by Anna Jarstad and Tim Sisk. Cambridge University Press, 2008.

“Interstate Peacekeeping: Causal Mechanisms and Empirical Effects.” World Politics (July 2004).

"Does Peacekeeping Keep Peace?  International Intervention and the Duration of Peace after Civil War."  International Studies Quarterly (June 2004).

Peace Time: Cease-Fire Agreements and the Durability of Peace (Princeton University Press, 2004).

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“Peace Operations—Futile or Vital?” Policy Brief commissioned by the United Nations Foundation (January 2004).

With Robert Jervis and Warner Schilling, “The War on Terrorism: Two Years On.” (Saltzman Institute for War and Peace Studies, Columbia University, September 11, 2003).

“A Lost Chance for Peace: The Bicesse Accords in Angola.” Georgetown Journal of International Affairs (Winter/Spring 2003).

With Lise Morjé Howard, “Kosovo Endgame.” San Jose Mercury News (April 11, 1999).

“How Can Permanent Cessation of Civil Wars Be Achieved? Lessons from international conflict and a look at some African cases” (Center for International Studies, Massachusetts Institute of Technology, May 1997).

“Success and Failure in Southern Africa: Peacekeeping in Namibia and Angola.” Beyond Traditional Peacekeeping, ed. Donald Daniels and Bradd Hayes (London: Macmillan, 1995).

“United Nations Transition Assistance Group in Namibia,” “United Nations Angola Verification Mission I,” and “United Nations Angola Verification Mission II.” The Evolution of UN Peacekeeping: Case Studies and Comparative Analysis, ed. William Durch (New York: St. Martin’s Press, 1993).

“Regional Organizations and Peacekeeping.” (Occ. Paper 11, The Henry L. Stimson Center, October 1992).