"The Costs of Conflict"
with Daniel Houser, Peter Leeson and Ramin Ostad, Journal of Economic Behavior & Organization, 97: 61-71.

"Violence, Access, and Competition in the Market for Protection"
with Douglas Rogers and Bart Wilson, European Journal of Political Economy, Vol. 29, pp. 1-17.

"Anarchy, Groups, and Conflict: An Experiment on the Emergence of Protective Associations*"
with David Skarbek and Bart Wilson, Social Choice & Welfare, Vol. 38, No. 2. pp. 325-353.

"A Theory of Entangled Political Economy, with Application to TARP and NRA"
with Richard Wagner and Bruce Yandle, Public Choice, 148(1-2): 45-66.

"Too Big to Fail, Read, Count, or Stop"
with Bruce Yandle, Regulation, Summer 2009. pp. 3-4.


"Behavior, Paternalism, and Policy: Evaluation Consumer Financial Protection"
with Todd Zywicki, forthcoming in NYU Journal of Law and Liberty.