In the course of history, a large number of politicians have been assassinated. To investigate this phenomenon, rational choice hypotheses are developed and tested using a large data set covering close to 100 countries over a period of 20 years. Several strategies, in addition to security...

This paper studies the interaction between a governmental security agency, as the Transportation Security Agency, or the Immigration and Naturalization Service, and a terrorist organization, like Al Qaeda. The governmental agency wants to stop the terrorists, but first must infer whether a visa...

In this paper we estimate the macroeconomic consequences of terrorism using panel data for 147 countries for the period 1968–2002. The results reveal that the potential gains to a country from reducing terrorism are quite large, although the specific estimates depend on a country's population,...