"Political Violence in Pakistan: Myths versus Realities," With Rasul Baksh Rais, International Growth Centre Policy Brief, April 2012.
"Is the Phone Mightier than the Sword? Cell Phones and Insurgent Violence in Iraq," With Nils B. Weidmann, January 7, 2012.
"The Effect of Civilian Casualties in Afghanistan and Iraq," NBER Working Paper 16152. - With Luke Condra, Joseph Felter and Radha Iyengar, October 14, 2010.
"Do International Legal Norms Affect Citizens’ Willingness to Punish Foreign Human Rights Violations?" – With Tonya Putnam. This paper uses a survey experiment to assess whether international human rights treaties make a difference to the willingness of citizens in established democracies to punish the human rights violations of foreign governments. This is the first in a series of papers identifying reasons that existing large-N studies on the impact of international human rights law on state behavior may erroneously find such laws have no impact. Under review.
"Bureaucracy and Control in Terrorist Organizations," August 8, 2008.