Air Transport Economics: From Theory to Applications uniquely merges the institutional and technical aspects of the aviation industry with their theoretical economic underpinnings. Its integrative approach offers a fresh point of view that will find favor with many students of aviation. This fourth edition has undergone extensive updates throughout. It features new material addressing the impact of COVID-19 on the air transport industry, and the efforts made by both the industry and governments to facilitate recovery. A new chapter examines the impact of air transport on climate change and how government policies to address this issue could reshape the industry. Additionally, alongside expanded coverage of revenue management and pricing decisions, this fourth edition incorporates case studies that give real-world examples to reflect current industry practices. Moreover, there is a discussion of the latest computer applications that enhance the effectiveness of the new techniques. This book offers a self-contained theory and applications-oriented text for individuals aspiring to enter the aviation industry as a practicing professional in the management area. It will be of the greatest relevance to undergraduate and graduate students aiming to acquire a comprehensive grasp of the economics of the aviation industry. The review questions at the end of each chapter have been expanded considerably, and an online assignment has been introduced for each chapter. This book will also appeal to many professionals who seek an accessible and practical explanation of the underlying economic forces that shape the industry.