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Public Economics Lectures Part 1: Introduction

Public Economics Lectures Part 1: Introduction

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Production Effi ciency Result in One-Consumer Model<br />

Key insight: allocation with optimal distortionary tax is still on PPF<br />

Equilibrium price vector q places consumer on PPF, subject to<br />

revenue requirement<br />

With lump sum tax, tangency between PPF and consumer’s<br />

indifference curve, yielding higher welfare<br />

<strong>Public</strong> <strong>Economics</strong> <strong>Lectures</strong> () <strong>Part</strong> 4: Optimal Taxation 37 / 121

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