Second-generation immigrants are typically analyzed under the assumption that, having been born in the United States, they grew up in the United States. We challenge this assumption by investigating the prevalence and patterns of second-generation Mexican-American children's migration to and return from Mexico during childhood, and consider the…

Existing data on illegal immigration in the U.S. is inadequate. The limited availability of macrodata on the size of the annual flows and of the accumulated stock of individuals as well as of microdata on their influence on selected labor markets has been used to forestall policy reform efforts. (Author/RDN)