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Thinness and Obesity: A Model of Food Consumption, Health Concerns, and Social Pressure


Davide Dragone


University of Bologna - Department of Economics

Luca Savorelli


University of Bologna - Department of Economics

June 10, 2010

LSE STICERD Research Paper No. 17

Abstract:     
The increasing concern of the policy maker about eating behavior has focused on the spread of obesity and on the evidence of a consistent number of individuals dieting despite being underweight. As the latter behavior is often attributed to the social pressure to be thin, some governments have already taken actions to ban ultra-thin ideals and testimonials. Assuming that people are heterogeneous in their healthy weights, but are exposed to the same ideal body weight, this paper proposes a theoretical framework to assess whether increasing the ideal body weight is socially desirable, both from a welfare and from a health point of view. If being overweight is the average condition and the ideal body weight is thin, increasing the ideal body weight may increase welfare by reducing social pressure. By contrast, health is on average reduced, since people depart even further from their healthy weight. Given that in the US and in Europe people are on average overweight, we conclude that these policies, even when are welfare improving, may foster the obesity epidemic.

Number of Pages in PDF File: 22

Keywords: Body Weight, Diet, Obesity, Social Pressure, Underweight

JEL Classification: D91, I18

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Date posted: June 28, 2010 ; Last revised: September 26, 2010

Suggested Citation

Dragone, Davide and Savorelli, Luca, Thinness and Obesity: A Model of Food Consumption, Health Concerns, and Social Pressure (June 10, 2010). LSE STICERD Research Paper No. 17. Available at SSRN: http://ssrn.com/abstract=1631744 or http://dx.doi.org/10.2139/ssrn.1631744

Contact Information

Davide Dragone (Contact Author)
University of Bologna - Department of Economics ( email )
Piazza Scaravilli 2
Bologna, 40126
Italy
HOME PAGE: http://www2.dse.unibo.it/dragone
Luca Savorelli
University of Bologna - Department of Economics ( email )
Strada Maggiore 45
Bologna, 40125
Italy
HOME PAGE: http://savorelli.weebly.com
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