TY - JOUR A1 - S., Avellar A1 - Smock, P.J. T1 - Has the price of motherhood declined over time? A cross-cohort comparison of the motherhood wage penalty Y1 - 2003 DO - 10.1111/j.1741-3737.2003.00597.x JF - Journal of Marriage and Family VL - 65 IS - 3 ER -