Social distortion in weight perception: a decomposition of the obesity epidemic

Paolo Barbieri

Economia Politica: Journal of Analytical and Institutional Economics, 2022, vol. 39, issue 2, No 13, 685-713

Abstract: Abstract This paper examines the influence of social norms on obesity. We introduce a concept of a social norm related to social distortion in weight perception and developed through shared experiences in a social environment with a high prevalence of obesity. The theoretical model shows that, when obesity is common, it is less likely to be recognized as an issue, as its commonality mitigates an individual’s health concerns. Using regional data from the Health Survey for England, we show through empirical measures that such a social component significantly influences individual weight. We use the marked difference in obesity rates between 2002 and 2006 to perform a Fairlie decomposition analysis. Our findings suggest that when we exclude social norms, the estimates explain 42% of the obesity gap. When we include the social norms, the estimates explain between 46% and 77% of the overall obesity gap. Stratifying the result by gender, we show that men, especially the low-skilled, are more susceptible to social distortion. Similarly, medium- and low-skilled women are more susceptible to environmental pressure than highly-skilled women, who are utterly unaffected by it. In addition, a broader set of environmental pressures affect men. These results suggest that an individual’s concern over his/her body weight is closely related to the actual weight of his/her reference network.

Keywords: Obesity; Non-linear decomposition; Social norms (search for similar items in EconPapers)
JEL-codes: D91 I10 I12 I18 Z13 (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (1)

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Related works:
Working Paper: Social Distortion in Weight Perception: A Decomposition of the Obesity Epidemic (2015)
Working Paper: Social Distortion in Weight Perception: A Decomposition of the Obesity Epidemic (2015)
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DOI: 10.1007/s40888-022-00266-8

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