Immigration and Inequality

Immigration is often viewed as a proximate cause of the rising wage gap between highand low-skilled workers. Nevertheless, there is controversy over the appropriate theoretical and empirical framework for measuring the presumed effect, and over the precise magnitudes involved. This paper offers an overview and synthesis of existing knowledge on the relationship between immigration and inequality, focusing on evidence from cross-city comparisons in the U.S. While some researchers have claimed that a cross-city research design is inherently flawed, I argue that the evidence from cross-city comparisons is remarkably consistent with recent findings based on aggregate time series data. In particular,…