New Chapter 7 on Departures from Standard Rational Choice Models (with and without Regret) replaces what were previously Chapter 7 Explaining Tastes and Chapter 8 on Cognitive Limitations and Consumer Behavior.

More complete coverage of Game Theory and Models of Imperfect Competition as a result of splitting content into two chapters: Chapter 12 on A Game Theoretic Approach to Strategic Behavior and Chapter 13 on Oligopoly and Monopolistic Competition.

General Equilibrium Theory coverage added back into the book. Previously a web chapter, this material has been reintroduced and now appears as Chapter 17 General Equilibrium and Market Efficiency

Learning Objectives have been added. Listed at the beginning of each chapter and referenced again in the summary and among the end of chapter questions, the learning objectives emphasize the key concepts that are to be mastered.

Fully updated throughout. All examples and data have been carefully examined and updated throughout the text.