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Public Economics Lectures Part 1: Introduction

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Rothschild-Stiglitz: Key Assumptions<br />

1 Static model: individuals arrive in the period either employed or<br />

unemployed; no savings/dynamics.<br />

2 No moral hazard: agents choose insurance contract but make no<br />

choices after signing a contract.<br />

3 Insurance market is perfectly competitive, so firms earn zero profits<br />

in equilibrium.<br />

<strong>Public</strong> <strong>Economics</strong> <strong>Lectures</strong> () <strong>Part</strong> 6: Social Insurance 12 / 207

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