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...