Immigration has become a central driver of U.S. labor force growth. We document new empirical findings that shed light on the relationships between immigration, labor shortages, wage growth, and job openings during the high-immigration period of 2021-2024. The textbook search-and-matching model...

We discuss the connections between epidemiology models and the search and matching (SAM) approach and draw conclusions about modeling the trade-offs between lockdowns and disease spread. We review the pre-COVID epidemics literature, which was mainly by epidemiologists, and the post-COVID surge...

Unemployment insurance (UI) acts both as a disincentive for labor supply and as a demand stimulus, which may explain why empirical studies often find limited effects of UI on employment. This paper provides independent estimates of the disincentive effects arising from the largest expansion of...

In this paper we assess the relationship between labor policies and market outcomes in Bolivia, accounting for a large informal sector mostly comprised of self-employed entrepreneurs. We calibrate a job search and matching model to reproduce labor market features in 2013, a period in which...