In 2011, a reform in the United Arab Emirates allowed any employer to renew a migrant's visa upon contract expiration without written permission from the initial employer. We find that the reform increased incumbent migrants' earnings and firm retention of these workers. This occurs despite an...

In 2011, a reform in the United Arab Emirates allowed any employer to renew a migrant's visa upon contract expiration without written permission from the initial employer. We find that the reform increased incumbent migrants' earnings and firm retention of these workers. This occurs despite an...

Many recent papers have studied movements in stock, bond, and currency prices over short windows of time around macro announcements. This paper adds to the announcement effects literature in two ways. First, we study the joint announcement effects across a broad range of assets - exchange rates...

Does foreign military assistance strengthen or further weaken fragile states facing internal conflict? Aid may strengthen the state by bolstering its repressive capacity vis-à-vis armed non-state actors, or weaken it if resources are diverted to these very groups. We examine how U.S. military...

Does foreign military assistance strengthen or further weaken fragile states facing internal conflict? We address this question by estimating how U.S. military aid affects violence and electoral participation in Colombia. We exploit the allocation of U.S. military aid to Colombian military...

Does foreign military assistance strengthen or further weaken fragile states facing internal conflict? Aid may strengthen the state by bolstering its repressive capacity vis-à-vis armed non-state actors, or weaken it if resources are diverted to these very groups. We examine how U.S. military...