The impact of children on the labour market outcomes ofwomen relative to men (the "child penalty") is well-documented, yet there is a paucity of evidence on the mechanisms behind it. I use 50 years of data from the Panel Study of Income Dynamics (PSID) to explore the importance of gendered norms...

This paper combines personnel records of the U.S. federal government with census data to study how shocks to the gender composition of a large organization can persistently shift gender norms. Exploiting city-by-department variation in the sudden expansion of female clerical employment driven by...