11.04.2014 Views

Public Economics Lectures Part 1: Introduction

Public Economics Lectures Part 1: Introduction

Public Economics Lectures Part 1: Introduction

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

PGs with Distortionary Taxes: 1st Best<br />

In first best, optimal linear tax is τ ∗ = 0<br />

∂W<br />

∂τ<br />

∂W<br />

∂τ<br />

= −wl + wlv ′ (G ) + wτv ′ (G )∂l/∂τ<br />

= wτv ′ (G )∂l/∂τ<br />

Therefore ∂W ∂τ (τ∗ ) = 0 ⇒ τ ∗ = 0<br />

<strong>Public</strong> <strong>Economics</strong> <strong>Lectures</strong> () <strong>Part</strong> 7: <strong>Public</strong> Goods and Externalities 66 / 138

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!