"Workers, Warriors and Criminals: Social Conflict in General Equilibrium," with Ernesto Dal Bó, Journal of the European Economic Association, August 2011.
"The Evolution of Cooperation in Infinitely Repeated Games: Experimental Evidence" with Guillaume Fréchette, American Economic Review, February 2011.
"Institutions and Behavior: Experimental Evidence on the Effects of Democracy" with Andrew Foster and Louis Putterman, American Economic Review, December 2010.
"Love, Hate and Murder: Commitment Devices in Violent Relationships," with Anna Aizer, Journal of Public Economics, April 2009.
"Political Dynasties," with Ernesto Dal Bó and Jason Snyder, Review of Economic Studies, January 2009.
"Tacit Collusion under Interest Rate Fluctuations," RAND Journal of Economics, Summer 2007.
"Social Norms, Cooperation and Inequality," Economic Theory, January 2007.
"Plata o Plomo?: Bribes and Punishment in a Theory of Political Influence," with Ernesto Dal Bó and Rafael Di Tella, American Political Science Review, February 2006.
"Cooperation under the Shadow of the Future: experimental evidence from infinitely repeated games," American Economic Review, December 2005.