Thoroughly revised according to classroom feedback, Industrial Organization: Markets and Strategies offers an up-to-date and rigorous presentation of modern industrial organization that blends theory with real-world applications and derives implications for firm strategy and competition policy. This comprehensive textbook acquaints readers with the most important models for understanding strategies chosen by firms with market power and shows how such firms adapt to different market environments. The second edition includes new and revised formal models and case studies. Formal models are presented in detail, and analyses are summarized in 'lessons' which highlight the main insights. Theories are complemented by numerous real-world cases that engage students and lead them to connect theories to real situations. Chapters include review questions, exercises, and suggestions for further reading to enhance the learning experience, and an accompanying website offers additional student exercises, as well as teaching slides.