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Public Economics Lectures Part 1: Introduction

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Becker and Murphy 1988<br />

Show that addictive goods can be modeled in perfectly rational<br />

framework.<br />

Dynamic model with habit formation.<br />

Current consumption of the addictive good decreases long-run utility<br />

but increases marginal utility of consumption tomorrow:<br />

If discount rate high enough, rationally choose to become addicted.<br />

Implication: no reason for special taxes on these goods; set taxes<br />

according to Ramsey rules.<br />

<strong>Public</strong> <strong>Economics</strong> <strong>Lectures</strong> () <strong>Part</strong> 7: <strong>Public</strong> Goods and Externalities 135 / 138

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