Evaluating Counterterrorism Spending

Journal of Economic Perspectives. Vol. 28. No. 3. Summer 2014.

Did History End? Democracy, Capitalism, Nationalism, Religion, Ideas, and Boredom since 1989

International Security Studies Forum. No. 29. June 2, 2014.

Did History End? Assessing the Fukuyama Thesis

Political Science Quartley. Vol. 129. No. 1. Spring 2014.

Cost-benefit Analysis of Airport Security: Are Airports Too Safe?

Journal of Air Transport Management. 2014.

The Cyberskeptics

January 3, 2013.

Terrorism Risks and Cost-Benefit Analysis of Aviation Security

Risk Analysis. October 4, 2012.

The Terrorism Delusion: America’s Overwrought Response to September 11

International Security. Vol. 37. No. 1. Summer 2012.