Immigrants do not fare as well as natives in economic terms; even after including many controls, an unexplained part remains. The ethnic identity entered the field of labor and migration economics in an effort to better explain the economic outcomes of immigrants, their behavior and their often...

This paper provides an introduction and overview of my research on the Economics of Language. The approach is that language skills among immigrants and native-born linguistic minorities are a form of human capital. There are costs and benefits associated with this characteristic embodied in the...