In this paper, we examine the correlation between sectoral shocks and border enforcement in the United States. Enforcement of national borders is the main policy instrument the U.S. government uses to combat illegal immigration. The motivation for the exercise is to see whether border...

In this paper, I examine the spatial correlation of wages, employment, and consumer purchasing power across U.S. counties to see whether regional product-market linkages contribute to spatial agglomeration. First, I estimate a simple market-potential function, which is a reduced form for several...

In this paper, we examine the impact of government enforcement of the U.S.-Mexico border on wages in the border regions of the United States and Mexico. The U.S. Border Patrol polices U.S. boundaries, seeking to apprehend any individual attempting to enter the United States illegally. These...