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Public Economics Lectures Part 1: Introduction

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Criticism of CGE Models<br />

Findings very sensitive to structure of the model: savings behavior,<br />

perfect competition assumption<br />

Findings sensitive to size of key behavioral elasticities and functional<br />

form assumptions<br />

Modern econometric methods conceptually not suitable for GE<br />

problems, where the whole point is “spillover effects” (contamination)<br />

Need a new empirical paradigm to deal with these problems — a major<br />

open challenge<br />

<strong>Public</strong> <strong>Economics</strong> <strong>Lectures</strong> () <strong>Part</strong> 2: Tax Incidence 97 / 142

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