Since 1986 the United States has made considerable efforts to curb illegal immigration. This has resulted in an increase in migration costs for undocumented immigrants. More stringent border enforcement either deters potential illegal immigrants from coming to the U.S., or moves the point of...

Dube, Lester, and Reich (2010) argue that state-level minimum wage variation can be correlated with economic shocks, generating spurious evidence that higher minimum wages reduce employment. Using minimum wage variation within contiguous county pairs that share a state border, they find no...

Dube, Lester, and Reich (2010) argue that state-level minimum wage variation can be correlated with economic shocks, generating spurious evidence that higher minimum wages reduce employment. Using minimum wage variation within contiguous county pairs that share a state border, they find no...

This paper considers the (short run) employment and wage effects of the 2004 EUenlargement on firms located close to Germany's Eastern border. We use a 50% sample of Germans plants and apply difference-in-differences-estimators combined with a matching approach. We evaluate changes in total...

Using the IAB Employment Sample (IABS) covering 1980-2001 we investigate what impact the fall of the Iron Curtain has had on the skill structure of employment and wages in the western German districts neighbouring the Czech Republic. The introduction of free trade in this region, which has one...