Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/215159 
Erscheinungsjahr: 
2019
Schriftenreihe/Nr.: 
IZA Discussion Papers No. 12763
Verlag: 
Institute of Labor Economics (IZA), Bonn
Zusammenfassung: 
We use data from three waves of Add Health to study the short- and long-run effects of high school peers' genetic predisposition to high BMI – measured by grade-mates' average BMI polygenic scores – on adolescent and adult obesity in the U.S. We find that, in the short-run, a one standard deviation increase in peers' average BMI polygenic scores raises the probability of obesity for females by 2.8 percentage points, about half the size of the effect induced by a one standard deviation increase in one's own polygenic score. No significant effect is found for males. In the long-run, however, the social-genetic effect fades away, while the effect of one's own genetic risk for BMI increases substantially. We suggest that mechanisms explaining the short-run effect for females include changes in nutrition habits and a distorted perception of body size.
Schlagwörter: 
obesity
peer effect
BMI polygenic scores
Add Health
JEL: 
D62
I1
I12
Dokumentart: 
Working Paper

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