Researchers' interest in monopsony has increased in recent years. This article reviews the
accumulating evidence that employers have considerable monopsony power. It summarizes …

We study the use and economic impact of AI technologies. We propose a new measure of
firm-level AI investments using employee resumes. Our measure reveals a stark increase in …

We characterize the factors that determine who becomes an inventor in the United States,
focusing on the role of inventive ability (“nature”) versus environment (“nurture”). Using …

We develop, estimate, and test a tractable general equilibrium model of oligopsony with
differentiated jobs and concentrated labor markets. We estimate key model parameters by …

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 …

Accumulating evidence points to the need for more vigorous antitrust enforcement in the
United States in three areas. First, stricter merger control is warranted in an economy where …

We use textual analysis of high-dimensional data from patent documents to create new
indicators of technological innovation. We identify important patents based on textual …

This article studies the effect of corporate and personal taxes on innovation in the United
States over the twentieth century. We build a panel of the universe of inventors who patented …

This paper uses US local areas as a laboratory to test for long-term impacts of the Great
Recession. In administrative longitudinal data, I estimate that exposure to a 1 percentage …

A rich understanding of macro-economic outcomes requires taking into account the large
(and increasing) differences between firms. These differences stem in large part from …