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Public Economics Lectures Part 1: Introduction

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Sandmo 1975: Setup<br />

Individual maximization program<br />

L = u(x 1 , .., x N , l) + λ(wl + Z − (q 1 x 1 + .. + q N x N ))<br />

Maximization yields indirect utility v(q).<br />

Government maximization program:<br />

max W (q) = v(q) − d(q)<br />

q<br />

s.t. ∑ τ i x i ≥ R<br />

Analogous to Ramsey tax problem, but here SWF differs from private<br />

sector objective<br />

<strong>Public</strong> <strong>Economics</strong> <strong>Lectures</strong> () <strong>Part</strong> 7: <strong>Public</strong> Goods and Externalities 109 / 138

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