Based on a unique time-use survey of academic researchers in Japan, this study finds that research time decreases over the life cycle. The decrease in total hours worked and the increase in time spent on administrative tasks explain the decrease in research time. We also show that the decrease...

We study to what degree authors who publish in the five most prestigious journals in economics have previously published there and in which world region they are based. Al­though still high, the concentration of U.S.-based and previously published top-five authors has decreased. This trend is...