This paper studies a three player hierarchical differential game (with a large country, a small country, and a terrorist organization), to analyze the actual European refugee situation. Terrorists may enter Europe as refugees, taking advantage of the Open Door Policy, to attack both countries....

This paper derives a dynamic path of ongoing terror attacks as a function of terrorists' capacity and a target government's counterterror capacity. The analysis provides several novel insights and characterizations. First, the effect of counterterror policy is limited. Second, proactive...

Academic labor markets often exhibit steep hierarchies, with institutions at the top attempting to attract newly minted doctorates from similarly situated institutions in an effort to maintain or improve their reputations. Yet, despite recent research on labor market segmentation in academe, the...