NBER

Marianne Simonsen

Department of Economics and Business Economics
Aarhus University
Fuglesangs Alle 4
8210 Aarhus V
Denmark

E-Mail: msimonsen@econ.au.dk
Institutional Affiliation: Aarhus University

NBER Working Papers and Publications

January 2017Sibling Spillovers
with Sandra E. Black, Sanni Breining, David N. Figlio, Jonathan Guryan, Krzysztof Karbownik, Helena Skyt Nielsen, Jeffrey Roth: w23062
It is notoriously difficult to identify peer effects within the family, because of the common shocks and reflection problems. We make use of a novel identification strategy and unique data in order to gain some purchase on this problem. We employ data from the universe of children born in Florida between 1994 and 2002 and in Denmark between 1990 and 2001, which we match to school and medical records. To address the identification problem, we examine the effects of having a sibling with a disability. Utilizing three-plus-child families, we employ a differences-in-differences research design which makes use of the fact that birth order influences the amount of time which a child spends in early childhood with their siblings, disabled or not. We observe consistent evidence in both locations t...

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