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Public Economics Lectures Part 1: Introduction

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Gruber 1997<br />

Gruber estimates<br />

∆c<br />

c = β 1 + β b<br />

2<br />

w<br />

Finds β 1<br />

= 0.24, β 2<br />

= −0.28<br />

Without UI, cons drop would be about 24%<br />

Mean drop with current benefit level (b = 0.5) is about 10%<br />

Implies a 10 pp increase in UI replacement rate causes 2.8 pp<br />

reduction in cons. drop<br />

Convincing evidence that ins. markets are not perfect and UI does<br />

play a consumption smoothing role<br />

<strong>Public</strong> <strong>Economics</strong> <strong>Lectures</strong> () <strong>Part</strong> 6: Social Insurance 61 / 207

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