Labor markets are not perfectly competitive: Monopsony power enables employers to pay
workers less than the marginal revenue product of labor. We review three theoretical …

This paper quantifies employer market power in US manufacturing and how it has changed
over time. Using administrative data, we estimate plant-level markdowns—the ratio between …

A product market is concentrated when a few firms dominate the market. Similarly, a labor
market is concentrated when a few firms dominate hiring in the market. Using data from the …

We quantify the importance of imperfect competition in the US labor market by estimating the
size of labor market rents earned by American firms and workers. We construct a matched …

Density boosts productivity and innovation, improves access to goods and services, reduces
typical travel distances, encourages energy efficient construction and transport, and allows …

Using data on the near-universe of US online job vacancies collected by Burning Glass
Technologies in 2016, we calculate labor market concentration using the Herfindahl …

I document trends in local industrial concentration from 1976 through 2015 and estimate
effects of concentration on earnings outcomes. Local concentration generally declined over …

This paper measures the job-search responses to the COVID-19 pandemic using real-time
data on vacancy postings and job ad views on Sweden's largest online job board. First, new …

We develop and evaluate experimentally a novel tool that redesigns the job search process
by providing tailored advice at low cost. We invited jobseekers to our computer facilities for …

Career shocks have become an increasingly important part of current careers scholarship. In
this article, we focus on the role of career shocks in career choice, career development, and …