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Public Economics Lectures Part 1: Introduction

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Median Voter Choice: Effi ciency<br />

In general, median voter equilibrium is not Pareto effi cient:<br />

Suppose τ h = 1/H for all h<br />

Voting outcome: MRS(G med ) = 1/H.<br />

Samuelson rule: ∑ h MRS(G h )/H = 1/H<br />

Difference between median and mean determines degree of ineffi ciency<br />

Potential rationale for permitting lobbying to express intensity of<br />

preferences<br />

<strong>Public</strong> <strong>Economics</strong> <strong>Lectures</strong> () <strong>Part</strong> 7: <strong>Public</strong> Goods and Externalities 27 / 138

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