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Public Economics Lectures Part 1: Introduction

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Hastings and Washington 2008<br />

Question: How does food stamps subsidy affect grocery store pricing?<br />

Food stamps typically arrive at the same time for a large group of<br />

people, e.g. first of the month<br />

Use this variation to study:<br />

1 Whether demand changes at beginning of month (violating PIH)<br />

2 How much of the food stamp benefit is taken by firms by increased<br />

prices rather than consumers (intended recipients)<br />

<strong>Public</strong> <strong>Economics</strong> <strong>Lectures</strong> () <strong>Part</strong> 2: Tax Incidence 61 / 142

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