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Public Economics Lectures Part 1: Introduction

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Shimer and Werning 2007: Reservation-Wage Model<br />

Reservation wage model: probability of finding job (e) determined by<br />

decision to accept or reject a wage offer, not search effort<br />

Wage offers drawn from distribution w ∼ F (x)<br />

Agent rejects offer if net wage w − t is less than outside option b,<br />

implying that probability of finding a job is e = 1 − F (b + t)<br />

Agent’s expected value prior to job search:<br />

W (b) = (1 − F (b + t))E [u(w − t)|w − t > b] + F (b + t)u(b)<br />

Reservation wage prior to job search satisfies<br />

u( ¯w 0 − t) = W (b)<br />

<strong>Public</strong> <strong>Economics</strong> <strong>Lectures</strong> () <strong>Part</strong> 6: Social Insurance 101 / 207

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