Setting a Good Example? Examining Sibling Spillovers in Educational Achievement Using a Regression Discontinuity Design
Using a regression discontinuity design generated by school-entry cutoffs and school records from an anonymous district in Florida, we identify externalities in human capital production function arising from sibling spillovers. We find positive spillover effects from an older to a younger child in less affluent families and negative spillover effects from a younger to an older child in more affluent families. These results are consistent with direct spillovers dominating in economically disadvantaged families and with parental reinforcement in more affluent families.
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Document Object Identifier (DOI): 10.3386/w26411