from the competition created by offshore and immigrant workers? In contrast to the existing literature that has mostly … investigating the interactions among native, immigrant and offshore workers. We develop our argument in three steps. First, we …-Hansberg (2008) to design a model of task assignment among heterogeneous native, immigrant and offshore workers that fits those facts …

immigrant-native wage gap. I show that one third of this wage catch-up is accounted for by firm heterogeneity: Immigrants remain …, I suggest an economic assimilation mechanism which highlights imperfect information about immigrant productivity. I … and immigrants obtain better firm matches. I derive predictions on the immigrant wage distributions over time, on their …