A Dynamic Model of Rational Addiction with Stockpiling and Learning: An Empirical Examination of E-cigarettes

Jialie Chen () and Vithala R. Rao ()
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Jialie Chen: Sam L. Walton College of Business, University of Arkansas, Fayetteville, Arkansas 72701
Vithala R. Rao: SC Johnson College of Business, Cornell University, Ithaca, New York 14853

Management Science, 2020, vol. 66, issue 12, 5886-5905

Abstract: Current regulations on e-cigarettes are minimal compared with cigarette regulations, despite their growing popularity globally. Advocates of e-cigarettes claim that they aid in ceasing smoking habits. However, leaving e-cigarettes unregulated has raised growing health concerns. Policymakers in several countries, including the United States and those in Europe, are considering and experimenting with policy interventions. To evaluate current policies and implement potential regulations on e-cigarettes, policymakers must understand the impact of e-cigarettes on consumers’ smoking behaviors. To address this issue, we construct a dynamic structural model that incorporates consumers’ purchases and consumption behaviors of both cigarettes and e-cigarettes. The results from our proposed model indicate that consumption of e-cigarettes promotes, rather than counteracts, smoking. This is because the less costly e-cigarettes incentivize consumers to build their addiction to nicotine, which, in return, increases future consumption of both cigarettes and e-cigarettes. This finding calls for regulations on e-cigarettes. We then conduct counterfactual analyses to evaluate two policy regulations on e-cigarettes: (1) e-cigarette taxes and (2) price regulation. Because both of these policies have been discussed extensively in both the United States and many countries in the European Union, results of our policy simulations address these policy debates. We find that both are effective in reducing overall consumption of cigarettes and e-cigarettes. We also examine the role of consumers’ heterogeneity on the simulation results as well as the policy implications. We conclude with future research directions, such as inclusion of social influence and cross-selling marketing.

Date: 2020
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