We study variation in skill demands for professionals across firms and labor markets. We categorize a wide range of keywords found in job ads into ten general skills. There is substantial variation in these skill requirements, even within narrowly defined occupations. Focusing particularly on...

Although 19th century American labor markets were unencumbered by regulatory legislation, labor market institutions played an active role determining labor market outcomes and the distribution of income. We provide evidence of firm-specific rents in 19th century labor markets: employees in firms...

The gap between black and white earnings is a longstanding feature of the United States labor market. Competing explanations attribute different weight to wage discrimination and access to human capital. Using new data on local school quality, we find that human capital played a predominant role...

We develop a dynamic labor search model where production and consumption take place in spatially distinct labor markets with varying exposure to domestic and international trade. The model recognizes the role of labor mobility frictions, goods mobility frictions, geographic factors, and...