This paper extends the club model of religion to better account for observed patterns of extremism. We adapt existing models to a multi-agent framework and analyze the distribution of agents and clubs. We find that extremism is more successful when religious groups are able to produce close...

The quantitative analysis presented in this article suggests that reductions in American contributions to the defense of its allies will if necessary cause them to increase their efforts to defend themselves. This analysis should, therefore, help to allay fears that reductions in the U.S....

A three-stage game investigates how counterterrorism measures are affected by volunteers’ choice in joining a terrorist group. In stage 1, the government chooses both proactive and defensive countermeasures, while looking ahead to the anticipated size and actions of terrorist groups. After...

Over the past few decades, it has become increasingly common for terrorists to frame their objectives in religious terms and organize their activities within religious movements. This paper extends previous models of religious extremism to better account for observed patterns of extremism and...

This paper argues that corruption patterns are endogenous to political structures. Thus, corruption can be systemic and planned rather than decentralized and coincidental. In an economic system without law or property rights, a kleptocratic state may arise as a predatory hierarchy from a state...

This paper examines how violence in the Second Intifada influences Palestinian public opinion. Using micro data from a series of opinion polls linked to data on fatalities, we find that Israeli violence against Palestinians leads them to support more radical factions and more radical attitudes...

I apply the Beveridge-Nelson business cycle decomposition method to the time series of per capita murder in the State of California. (1933-2005). Separating out “permanent” from “cyclical” murder, I hypothesize that the cyclical part coincides with documented waves of organized crime,...

This note is about the possibility of a stalemate in a continuing conflict. Following the prevailing economic literature on the topic, under some assumptions, the outcome of a conflict can be described in two ways: (i) a predetermined split of a contested output; (ii) a winner-take-all contest...

This work gives a review of the history of how a number of institutions emerged in developed countries. The authors attempt to analyse a connection between this process and the current economic growth phenomenon. The authors believe that stremgthenning guarantees of personal immunity provided...