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Public Economics Lectures Part 1: Introduction

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Optimal Subsidies for Charity (Saez 2004)<br />

Now consider case where marginal values of private charity and PG<br />

differ<br />

Marginal value of public spending = 1<br />

Marginal value of private charity = λ(G )<br />

Multiplier λ(G ) ∈ [0, 1] measures external effect of charitable<br />

contributions on social welfare<br />

<strong>Public</strong> <strong>Economics</strong> <strong>Lectures</strong> () <strong>Part</strong> 7: <strong>Public</strong> Goods and Externalities 74 / 138

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