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...

We present a basic theoretical framework of ethnic identity, i.e., the level of immigrant's commitment to his or her host society as well as the immigrant's commitment to his or her home society. Our model can explain the emerging empirical literature which studies the effect of the immigrants'...