Despite growing international concern about terrorism, until recently, very little was known about worldwide risk patterns for terrorist attacks. In this paper, we are especially interested in determining the extent to which terrorism is concentrated at the country level over time and whether...

Despite the growth in research examining direct economic impacts of terrorism, the indirect impact of terrorism on the stability of local economies has generally been overlooked. Using panel data regression models and the most comprehensive open source database on terrorism currently available...

Oil and other natural resources are linked to many undesirable outcomes, such as civil war, autocracy and lack of economic development. Using a state-centered framework for revenue extraction, we identify why oil should also be linked to another undesirable effect: repression. We argue that...

Why does a dissident group go through phases of violence and nonviolence? Many studies of states and dissidents examine related issues by focusing on structural or rarely changing factors. In contrast, some more recent work focuses on dynamic interaction of participants. We suggest forecasting...