Using CPS data from 1979-2009 we examine how cyclical downturns and industry-specific demand shocks affect wage differentials between white non-Hispanic males and women, Hispanics and African-Americans. Women's and Hispanics' relative earnings are harmed by negative shocks, while the earnings...

Using CPS data from 1979-2009 we examine how cyclical downturns and industry-specific demand shocks affect wage differentials between white non-Hispanic men and women, Hispanics and non-Hispanic whites, and African-Americans and non-Hispanic whites. Women's relative earnings are harmed by...

Sleep must be considered subject to choice and affected by the same economic variables that affect other uses of time. Using aggregated data for 12 countries, a cross-section of microeconomic data, and a panel of households, we demonstrate that increases in time spent in the labor market reduce...

We propose several models in which an ascriptive characteristic generates earnings differentials and is sorted across sectors. The general approach shows how to distinguish the ultimate sources of labor-market returns to such characteristics; the specific example uses longitudinal data on a...

The concept of "labor hoarding," at least in its modern form, was first fully articulated in the early 1960s by Arthur Okun (1963). By the end of the 20th century, the concept of "labor hoarding" had become an accepted part of economists' explanations of the workings of labor markets and of the...

During the air conditioner industry's first four decades, most installations were “commercial comfort” air conditioning systems, purchased by retailers to increase demand for their products. Air conditioning spread unevenly through the commercial sector and across the country. Using data...

The first part of this essay reviews Paul Douglas's twenty-year research program of using the Cobb-Douglas function to statistically estimate relationships between inputs and outputs. Emphasis is placed on the evolution of Douglas's own conceptualization of the program, and also the variety of...