TY - JOUR AU - Conley,Dalton AU - Glauber,Rebecca TI - Parental Educational Investment and Children's Academic Risk: Estimates of the Impact of Sibship Size and Birth Order from Exogenous Variations in Fertility JF - National Bureau of Economic Research Working Paper Series VL - No. 11302 PY - 2005 Y2 - May 2005 UR - http://www.nber.org/papers/w11302 L1 - http://www.nber.org/papers/w11302.pdf N1 - Author contact info: Dalton Conley New York University 249 West 29th Street #2E New York, NY 10001-5230 Tel: 212/998-7580 Fax: 212/995-4140 E-Mail: conley@nyu.edu Rebecca Glauber E-Mail: rkg214@nyu.edu AB - The stylized fact that individuals who come from families with more children are disadvantaged in the schooling process has been one of the most robust effects in human capital and stratification research over the last few decades. For example, Featherman and Hauser (1978: 242-243) estimate that each additional brother or sister costs respondents on the order of a fifth of a year of schooling. However, more recent analyses suggest that the detrimental effects of sibship size on children's educational achievement might be spurious. We extend these recent analyses of spuriousness versus causality using a different method and a different set of outcome measures. We suggest an instrumental variable approach to estimate the effect of sibship size on children's private school attendance and on their likelihood of being held back in school. Specifically, we deploy the sex-mix instrument used by Angrist and Evans (1998). Analyses of educational data from the 1990 PUMS five percent sample reveal that children from larger families are less likely to attend private school and are more likely to be held back in school. Our estimates are smaller than traditional OLS estimates, but are nevertheless greater than zero. Most interesting is the fact that the effect of sibship size is uniformly strongest for latter-born children and zero for first born children. ER -