Budig, Michelle and Paula England, The Wage Penalty for Motherhood, American Sociological Review, v.66 (2001): 204-225. Butz, William and Michael…

Budig, Michelle and Paula England, The Wage Penalty for Motherhood, American Sociological Review, v.66 (2001): 204-225. Butz, William and Michael Ward, The Emergence of Countercyclical U.S. Fertility, American Economic Review, v. 69 (1979): 318-328. Caucutt, Elizabeth, Nezih Guner and John Knowles, Why Do Women Wait?