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Public Economics Lectures Part 1: Introduction

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Pigouvian Taxation<br />

Impose tax t = MD(Q ∗ )<br />

Restores Pareto effi ciency and maximizes social welfare<br />

Practical limitations:<br />

Must know marginal damage function to set t<br />

Diffi cult to measure the marginal damage in practice<br />

<strong>Public</strong> <strong>Economics</strong> <strong>Lectures</strong> () <strong>Part</strong> 7: <strong>Public</strong> Goods and Externalities 90 / 138

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