Current Research

My current research addresses the following topics:

• Costly signaling in international relations.
• The diffusion of military technologies.
• Alliance politics.
• Compliance with international commitments.
• The role of individual leaders in world politics. 

Working papers

• "Deterrence without Bombs."
• "When Do Leaders Free-Ride? Business Experience and Contributions to International Public Goods." 
• "How Do Leaders Assess Intentions Under Uncertainty? Costly Signaling and Leader Backgrounds in Nuclear Diplomacy."
• "Leaders and Military Conflict" (with Michael C. Horowitz).
• "Broken Promises: Multilateralism, Free Riding, and the Sanctioning Problem in Alliance Commitments" (with Molly Berkemeier).
• "Moral Hazard and Nuclear Alliance Commitments" (with Todd S. Sechser).
• "Bilateral Diplomacy and Nuclear Nonproliferation Commitments."
• "A Spatial Model of Nuclear Technology Diffusion" (with Benjamin Tkach and Scott Cook).