Smoking and Mortality: New Evidence from a Long Panel
Using data from Framingham Heart Study participants interviewed and examined at frequent intervals over much of their adult lifetime, we discover a relationship between smoking and mortality that differs significantly in magnitude from findings in the medical and epidemiological literature. We attribute the finding of smaller deleterious health impacts of smoking to a failure by previous studies to appropriately account for the non- random nature of lifetime smoking patterns and health histories. We provide causal and consistent estimates of the expected longevity consequences of current smoking, smoking cessation, smoking duration, and smoking experience by jointly modeling individual health heterogeneity, by including supply-side factors such as cigarette advertising and prices, and by allowing for permanent and time-varying unobserved heterogeneity in a flexible yet comprehensive multiple equation joint estimation procedure. We simulate our estimated empirical model under a variety of lifetime smoking patterns, and we compare the resulting mortality differences to the epidemiological literature that treats smoking behavior as random. Our results suggest that difference-in-means statistics significantly overstate the expected longevity loss from various patterns of lifetime smoking. For comparison, the (biased) unconditional difference-in-means in age of death between lifelong smokers and nonsmokers is 9.3 years in our research sample, while simulations from our estimated dynamic model suggest the difference is only 4.3 years. Additionally, our results examine the importance of smoking cessation and relapse avoidance.
|Date of creation:||Jun 2015|
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- Schneider, Lynne & Klein, Benjamin & Murphy, Kevin M, 1981.
"Governmental Regulation of Cigarette Health Information,"
Journal of Law and Economics,
University of Chicago Press, vol. 24(3), pages 575-612, December.
- Benjamin Klein & Kevin M. Murphy & Lynne Schneider, 1981. "Governmental REgualtion of Cigarette Health Information," UCLA Economics Working Papers 200, UCLA Department of Economics.
- Becker, Gary S & Murphy, Kevin M, 1988. "A Theory of Rational Addiction," Journal of Political Economy, University of Chicago Press, vol. 96(4), pages 675-700, August.
- Gary S. Becker & Kevin M. Murphy, 1986. "A Theory of Rational Addiction," University of Chicago - George G. Stigler Center for Study of Economy and State 41, Chicago - Center for Study of Economy and State.
- Lester G. Telser, 1962. "Advertising and Cigarettes," Journal of Political Economy, University of Chicago Press, vol. 70, pages 471-471.
- David Merriman, 2010. "The Micro-geography of Tax Avoidance: Evidence from Littered Cigarette Packs in Chicago," American Economic Journal: Economic Policy, American Economic Association, vol. 2(2), pages 61-84, May.
- Jonathan Gruber & Botond Köszegi, 2001. "Is Addiction "Rational"? Theory and Evidence," The Quarterly Journal of Economics, Oxford University Press, vol. 116(4), pages 1261-1303. Full references (including those not matched with items on IDEAS)
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