, partly in response to policies. Our results suggest that more segregated countries in terms of ethnicity and language, i …

and pitcher match race/ethnicity. This effect only exists where there is little scrutiny of umpires' behavior -- in … determine the outcome of the at-bat. If a pitcher shares the home-plate umpire's race/ethnicity, he gives up fewer runs per game …

characteristics and on countries' regulatory differences. We show that individual characteristics, such as gender, age, and status in …

' willingness to work with different coauthors. There are only small gender differences in the impacts of age on numbers of …