“Israel Kirzner on Coordination and Discovery” (with Daniel B. Klein), Journal of Private Enterprise, 25(2) Spring 2010: 1-53.
“44 Economists Answer Questionnaire on the Pre-Market Approval of Drugs and Devices” (with Daniel B. Klein and Kevin D. Rollins), Econ Journal Watch, 7(2) May 2010: 162-173.
“305 Economists Called to Answer Questionnaire on the Pre-Market Approval of Drugs and Devices” (with Daniel B. Klein), Econ Journal Watch, 7(1) Jan. 2010: 99-106.
“Governance As a Strategy in State-of-Nature Games,” Public Choice, 141(3-4) Dec. 2009: 481-491.
“Protecting Cultural Monuments Against Terrorism: A Comment” (with Jeremy Horpedahl), Defence and Peace Economics, 20(6) Dec. 2009: 509-512.
“Conservative Magazines and the Presumption of Liberty” (with Daniel B. Klein), The Independent Review, 14(2) Fall 2009: 289-299.