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Public Economics Lectures Part 1: Introduction

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Behavioral <strong>Economics</strong> Applications: Internalities<br />

Sin taxes intended to correct “internalities.”<br />

Internal costs of smoking cigarettes dwarf the external costs.<br />

Suggests that conventional Pigouvian taxation should be small<br />

(relative to actual taxes observed on e.g. cigarettes and alcohol).<br />

Q: Does addictive nature of cigarettes motivate taxation?<br />

A: Highly sensitive to positive model of addiction<br />

Challenge: diffi cult to determine which model is right empirically<br />

<strong>Public</strong> <strong>Economics</strong> <strong>Lectures</strong> () <strong>Part</strong> 7: <strong>Public</strong> Goods and Externalities 134 / 138

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