Does Mobility Beget Mobility? Coworker Networks and the Sectoral Reallocation of Labor

We study how coworker networks influence sectoral job-switching decisions, using German administrative data and causal identification strategies. A general equilibrium model highlights the role of coworker networks in labor reallocation and shows that considering these networks amplifies the trade-off between aggregate welfare and inequality.

August 2025 · Sophia Mo and Xinyue Lin

Coworker Influence on Job Choice: Information, Connection, and Industry Switching

Using a novel survey of U.S. workers, we demonstrate how coworkers shape job mobility by improving workers’ information about wages and job opportunities across different industries.

June 2025 · Xinyue Lin, Armando Miano, and Sophia Mo

Lender Experiences and Mortgage Costs

This paper explores how lenders’ past experiences with house price changes impact the mortgage rates they set, driven by their expectations of future price trends.

January 2023 · Sophia Mo