The previously documented trend toward more co- and multi-authored research in economics is partly (perhaps 20 percent) due to different research styles of scholars in different birth cohorts (of different ages). Most of the trend reflects profession-wide changes in research style. Older...

Time-diary data from 27 countries show a negative relationship between real GDP per capita and female-male differences in total work time-work for pay and work at home. In rich non-Catholic countries on four continents men and women do about the same average amount of total work. Survey results...

The immense literature on discrimination treats outcomes as relative: One group suffers compared to another. But does a difference arise because agents discriminate against others - are exophobic - or because they favor their own kind - are endophilic? This difference matters, as the relative...