Goldin and Katz [2002], in an influential paper, argued that giving unmarried minors access to the contraceptive Pill was instrumental for women's professional advancement, because such access allowed marriage to be postponed. However, by 1960, married women could get the Pill and thence it is...

Selection correction methods usually make assumptions about selection itself. In the case of gender wage gap estimation, those assumptions are specially tenuous because of high female non-participation and because selection could be different in different parts of the labor market. This paper...