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http://ssrn.com/abstract=989363
 
 

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Obesity and the Availability of Fast-Food: An Instrumental Variables Approach


Richard A. Dunn


Texas A&M University

March 31, 2008

iHEA 2007 6th World Congress: Explorations in Health Economics Paper

Abstract:     
This paper addresses the simultaneous determination of fast-food availability on obesity rates through the use of instrumental variables, specifically the number of interstate exits in the county of residence. Using the 2005 Behavioral Risk Factor Surveillance Survey and self-collected data on the density of various fast-food restaurants in US counties, I find that a ten percent increase in the number of restaurants from the mean would increase BMI by .33 points, roughly 1.05kg for a male 1.78 meters tall and .88kg for a female 1.64 meters tall. The results are robust to the selection criteria for counties and the method yields results comparable to previous work looking at rural counties, though the sample employed here is much more generalizable.

Number of Pages in PDF File: 41

Keywords: obesity, fast-food, instrumental variables, BRFSS, interstate

JEL Classification: I10, R12, R40

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Date posted: May 29, 2007 ; Last revised: April 10, 2008

Suggested Citation

Dunn, Richard A., Obesity and the Availability of Fast-Food: An Instrumental Variables Approach (March 31, 2008). iHEA 2007 6th World Congress: Explorations in Health Economics Paper. Available at SSRN: http://ssrn.com/abstract=989363 or http://dx.doi.org/10.2139/ssrn.989363

Contact Information

Richard A. Dunn (Contact Author)
Texas A&M University (TAMU) ( email )
Department of Statistics
College Station, TX 77843-4353
United States
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