When does organized crime resort to assassinating politicians? In narcocracies, criminal groups co-opt political elites through bribery in exchange for protection to traffic illegal drugs. When criminal groups compete, they may also resort to political violence to influence which candidate wins...

We examine whether changes of government influence compliance with international agreements. We investigate compliance with the NATO two percent target to which all NATO countries committed themselves during the NATO summit in Wales in 2014. The dataset includes the military expenditure by NATO...

We examine whether changes of government influence compliance with international agreements. We investigate compliance with the NATO two percent target to which all NATO countries committed themselves during the NATO summit in Wales in 2014. The dataset includes the military expenditure by NATO...

In this chapter, we review the recent literature on conflict and appropriation. Allowing for the possibility of conflict, which amounts to recognizing the possibility that property rights are not perfectly and costlessly enforced, represents a significant departure from the traditional paradigm...

In a world continuously beset by conflict and violence, the positive study of international security and defense has developed rapidly over the past decade as a cohesive discipline within economics. Part of the cause for this trend is the revolutionary effects of globalization and its new...

Societies see growing support for populist politicians who advocate an end to globalization. Our behavioral economics model links impatience to voters' appraisals of an income shock due to globalization that is associated with short-run costs and delayed gains. The model shows that impatient...

Societies see growing support for populist politicians who advocate an end to globalization. Our behavioral economics model links impatience to voters’ appraisals of an income shock due to globalization that is associated with short-run costs and delayed gains. The model shows that impatient...

I critically review recent studies that estimate those costs of violence and conflict that can emerge among organized political groupings, from states, religious and ethnic organizations to guerillas and paramilitaries. The review includes studies that estimate direct and indirect costs due to...

We develop a theory of interstate conflict in which the degree of genealogical relatedness between populations has a positive effect on their conflict propensities because more closely related populations, on average, tend to interact more and develop more disputes over sets of common issues. We...

Why do nations with heterogeneous economies, geographic positions and institutions agree to dispatch their troops to remote conflict areas? This paper explores the domestic and international determinants of countries' contribution to peacekeeping operations from 1999 to 2009. Individual nations...