Principles of Economics NEW   Economics Second Edition ©  2010 Paul Krugman Princeton University Robin Wells Overview New to This Edition Table of Contents Package Options Media & Supplements Key Changes to Media & Supplements Preview Materials First Day of Class Materials Buy This Book Companion Web Site Exam & Desk Copies Preview Materials Chapter 3, Supply and Demand Chapter 3, Lecture PowerPoint Slides Chapter 3, Instructor’s Resource Manual Chapter 3, Study Guide Chapter 30, Money, Banking, and the Federal Reserve System Chapter 30, Lecture PowerPoint Slides Chapter 30, Instructor’s Resource Manual Chapter 30, Study Guide