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GP supply and obesity

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  • Morris, Stephen
  • Gravelle, Hugh

Abstract

We investigate the relationship between area general practitioner (GP) supply and individual body mass index (BMI) in England. Individual level BMI is regressed against area whole time equivalent GPs per 1000 population plus a large number of individual and area level covariates. We use instrumental variables (area house prices and age weighted capitation) to allow for the endogeneity of GP supply. We find that that a 10% increase in GP supply is associated with a mean reduction in BMI of around 1Â kg/m2 (around 4% of mean BMI). The results suggest that reduced list sizes per GP can improve the management of obesity.

Suggested Citation

  • Morris, Stephen & Gravelle, Hugh, 2008. "GP supply and obesity," Journal of Health Economics, Elsevier, vol. 27(5), pages 1357-1367, September.
    • Handle: RePEc:eee:jhecon:v:27:y:2008:i:5:p:1357-1367
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    References listed on IDEAS

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    1. Loureiro, Maria L. & Nayga, Rodolfo Jr, 2006. "Obesity, weight loss, and physician's advice," Social Science & Medicine, Elsevier, vol. 62(10), pages 2458-2468, May.
    2. Morris, Stephen & Gravelle, Hugh, 2008. "GP supply and obesity," Journal of Health Economics, Elsevier, vol. 27(5), pages 1357-1367, September.
    3. Hugh Gravelle & Matthew Sutton & Stephen Morris & Frank Windmeijer & Alastair Leyland & Chris Dibben & Mike Muirhead, 2003. "Modelling supply and demand influences on the use of health care: implications for deriving a needs‐based capitation formula," Health Economics, John Wiley & Sons, Ltd., vol. 12(12), pages 985-1004, December.
    4. Moulton, Brent R, 1990. "An Illustration of a Pitfall in Estimating the Effects of Aggregate Variables on Micro Unit," The Review of Economics and Statistics, MIT Press, vol. 72(2), pages 334-338, May.
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    Cited by:

    1. Liu, Ya-Ming & Yang, Yea-Huei Kao & Hsieh, Chee-Ruey, 2012. "Regulation and competition in the Taiwanese pharmaceutical market under national health insurance," Journal of Health Economics, Elsevier, vol. 31(3), pages 471-483.
    2. Stephen Martin & Nigel Rice & Peter C Smith, 2007. "The Link Between Health Care Spending and Health Outcomes: Evidence from English Programme Budgeting Data," Working Papers 024cherp, Centre for Health Economics, University of York.
    3. Godager , Geir & Scott, Anthony, 2023. "Physician Behavior and Health Outcomes," HERO Online Working Paper Series 2023:3, University of Oslo, Health Economics Research Programme.
    4. Nabanita Datta Gupta & Jane Greve, 2011. "Overweight and obesity and the utilization of primary care physicians," Health Economics, John Wiley & Sons, Ltd., vol. 20(S1), pages 53-67, September.
    5. Morris, Stephen & Gravelle, Hugh, 2008. "GP supply and obesity," Journal of Health Economics, Elsevier, vol. 27(5), pages 1357-1367, September.
    6. Hendrik Jürges & Vincent Pohl, 2012. "Medical guidelines, physician density, and quality of care: evidence from German SHARE data," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 13(5), pages 635-649, October.
    7. David G. Blanchflower & Andrew J. Oswald & Bert Van Landeghem, 2009. "Imitative Obesity and Relative Utility," Journal of the European Economic Association, MIT Press, vol. 7(2-3), pages 528-538, 04-05.
    8. Laura Vallejo-Torres & Stephen Morris, 2018. "Primary care supply and quality of care in England," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 19(4), pages 499-519, May.
    9. Stroka, Magdalena A., 2021. "Regional variation in the supply of general and medical practitioners and its consequences for inpatient service utilization," Ruhr Economic Papers 877, RWI - Leibniz-Institut für Wirtschaftsforschung, Ruhr-University Bochum, TU Dortmund University, University of Duisburg-Essen.

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    More about this item

    JEL classification:

    • I10 - Health, Education, and Welfare - - Health - - - General
    • I12 - Health, Education, and Welfare - - Health - - - Health Behavior

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