Not only in my genes: The effects of peers’ genotype on obesity
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http://hdl.handle.net/10045/108732
Title: | Not only in my genes: The effects of peers’ genotype on obesity |
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Authors: | Brunello, Giorgio | Sanz-de-Galdeano, Anna | Terskaya, Anastasia |
Research Group/s: | Economía Laboral y Econometría (ELYE) |
Center, Department or Service: | Universidad de Alicante. Departamento de Fundamentos del Análisis Económico |
Keywords: | Obesity | Peer effects | BMI polygenic scores | Add Health |
Knowledge Area: | Fundamentos del Análisis Económico |
Issue Date: | Jul-2020 |
Publisher: | Elsevier |
Citation: | Journal of Health Economics. 2020, 72: 102349. https://doi.org/10.1016/j.jhealeco.2020.102349 |
Abstract: | 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% 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. |
Sponsor: | PROMETEO/2019/037, and the Spanish Ministry of Economy and Competitiveness Grant ECO2017-87069-P. |
URI: | http://hdl.handle.net/10045/108732 |
ISSN: | 0167-6296 (Print) | 1879-1646 (Online) |
DOI: | 10.1016/j.jhealeco.2020.102349 |
Language: | eng |
Type: | info:eu-repo/semantics/article |
Rights: | © 2020 Elsevier B.V. |
Peer Review: | si |
Publisher version: | https://doi.org/10.1016/j.jhealeco.2020.102349 |
Appears in Collections: | INV - ELYE - Artículos de Revistas |
Files in This Item:
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Brunello_etal_2020_JHealthEcon_final.pdf | Versión final (acceso restringido) | 848,63 kB | Adobe PDF | Open Request a copy |
Brunello_etal_2020_JHealthEcon_accepted.pdf | Accepted Manuscript (acceso abierto) | 3,17 MB | Adobe PDF | Open Preview |
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