TY - JOUR A1 - Rosenzweig, M.R. A1 - Zhang, J. T1 - Do population control policies induce more human capital investment? Twins, birth weight and China's “one-child” policy Y1 - 2009 DO - 10.1111/j.1467-937X.2009.00563.x JF - The Review of Economic Studies VL - 76 IS - 3 ER -