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Public Economics Lectures Part 1: Introduction

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<strong>Public</strong> vs. Private Goods<br />

Private goods benefit one individual h<br />

∑ X h ≤ X<br />

h<br />

<strong>Public</strong> goods benefit several individuals simultaneously<br />

X h ≤ X<br />

∀h<br />

Ex: can of coke vs. teaching a class<br />

Pure: can accommodate any number of users.<br />

Impure: subject to congestion<br />

radio vs. roads<br />

<strong>Public</strong> <strong>Economics</strong> <strong>Lectures</strong> () <strong>Part</strong> 7: <strong>Public</strong> Goods and Externalities 3 / 138

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