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Public Economics Lectures Part 1: Introduction

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Reconciling Micro and Macro Estimates<br />

Recent interest in reconciling micro and macro elasticity estimates<br />

Three potential explanations<br />

1 Statistical Bias: regulations, culture differs in countries with higher tax<br />

rates [Alesina, Glaeser, Sacerdote 2005]<br />

2 Extensive vs Intensive margin [Rogerson and Wallenius 2008]<br />

d log L<br />

d(1 − τ)<br />

L = Nh<br />

= d log N<br />

d(1 − τ) + d log h<br />

d(1 − τ) > d log h<br />

d(1 − τ)<br />

3 Optimization frictions: short run vs. long run [Chetty 2009]<br />

<strong>Public</strong> <strong>Economics</strong> <strong>Lectures</strong> ()<strong>Part</strong> 5: Income Taxation and Labor Supply 180 / 217

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