Over the past two decades immigration enforcement has grown exponentially in the United States. We exploit the geographical and temporal variation in a novel index of the intensity of immigration enforcement between 2005 and 2011 to show how the average yearly increase in interior immigration...

Over the past decade, a number of federal and state policies intended to stem the flow of illegal immigration have been implemented. In this paper, we focus on two initiatives: (a) Operation Streamline, as an example of increased border enforcement by the federal government, and (b) state-level...

This paper identifies intermarriage (between non-citizens and citizens) as an important response mechanism to intensified immigration enforcement, particularly among Mexican non-citizens. Exploiting the temporal and geographic variation in the implementation of interior immigration enforcement...

Tougher immigration enforcement has been responsible for approximately 1.8 million deportations between 2009 and 2013 alone. Children enter the foster care system when their parents are apprehended, deported and unable to care for them. We find that the average increase in interior immigration...

Over the past decade, a number of federal and state policies intended to stem the flow of illegal immigration have been implemented. In this paper, we focus on two initiatives: (a) Operation Streamline, as an example of increased border enforcement by the federal government, and (b) state-level...