We explore how umpires' racial/ethnic preferences are expressed in their evaluation of Major League Baseball pitchers. Controlling for umpire, pitcher, batter and catcher fixed effects and many other factors, strikes are more likely to be called if the umpire and pitcher match race/ethnicity....

Using time-diary data from four countries we show that the unemployed spend most of the time not working for pay in additional leisure and personal maintenance, not in increased household production. There is no relation between unemployment duration and the split of time between household...

Daylight, television schedules, and time zones can alter timing and induce temporal coordination of economic activities. With the American Time Use Survey for 2003-2004 and data from Australia for 1992, we show that television schedules and the locations of time zones affect the timing of market...

The material contained herein is supplementary to the article named in the title and published in the American Journal of Agricultural Economics, Volume 89, Number 4, November 2007.

The YIEPP offered a minimum wage job, part-time during the school year and full-time during the summer, to 16-19-year-olds from low-income households who had not as yet graduated from high school and who were enrolled in school. Our finding of large ...

A critical synthesis of the rapidly growing literature on substitution among labor force aggregates is presented. Despite the large number of studies now available, the only firm conclusions are: (1) Physical and human capital are complements and are jointly substitutable with raw labor. This...

The discrimination literature treats outcomes as relative. But does a differential arise because agents discriminate against others—exophobia—or because they favour their own kind—endophilia? Using a field experiment that assigned graders randomly to students' exams that did/ did not...

Using a very large sample of matched author-referee pairs, we examine how referees' and authors' genders affect the referees' recommendations. Relying on changing author-referee matches, we find no evidence of gender differences among referees in charitableness, nor is there any effect of the...

Using a wide array of examples from the literature and from original estimates, the author examines the pitfalls that make good empirical research in labor economics at least as much craft as statistical technique. Among the subjects discussed are the appropriateness and cleanliness of data;...