NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Price Uncertainty, Tax Policy, and Addiction: Evidence and Implications

Mark Coppejans, Holger Sieg

NBER Working Paper No. 9073
Issued in July 2002
NBER Program(s):   HE   PE

Consumption of addictive goods is subject to habit formation. Forward-looking individuals must, therefore, be concerned about future prices when making current consumption decisions. We study prices for tobacco products based on a unique data set provided by the Bureau of Labor Statistics. Our empirical findings suggest that prices have been highly volatile during the past decade. Price uncertainty has a potentially large impact on the economic well-being of young individuals with relatively low levels of disposable income. We develop a model to study consumption of addictive substances under price uncertainty. Our results indicate that optimal decision rules of low income individuals can crucially depend on subjective beliefs about future prices and the length of the planning horizon. These results imply that tax policies are most effective in reducing teenage cigarette consumption if they credibly alter individuals' beliefs about future prices.

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Document Object Identifier (DOI): 10.3386/w9073

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