This paper studies the impact of globalization on intergenerational income mobility. Exploiting U.S. data, we find that stronger trade exposure at the commuting zone level lowers the intergenerational income mobility of residents. In particular, higher exposure to Chinese import competition...

We use transaction-level data to study changes in the concentration of US imports. Concentration has fallen in the typical industry, while it is stable by industry and origin country. The fall in concentration is driven by the extensive margin: the number of exporting firms has grown, and the...