TY - RPRT A1 - Wilde, E.T. A1 - Batchelder, L. A1 - Ellwod, D.T. T1 - The mommy track divides: The impact of childbearing on wages of women with differing skill levels Y1 - 2010 PB - NBER (NBER Working paper; No. 1658) CY - Cambridge ER -