Comprehensively covering all aspects of long-range forecasting methods relevant to the social, behavioral and management sciences, this book is a synthesis of research in economics, sociology, psychology, transportation, education, and management - with occasional references to work in medicine, meterology, and technology. It describes a variety of forecasting methods, their strengths and weaknesses, and how to use them effectively, shows how to structure a forecasting problem, and gives detailed procedures for evaluating forecasting models in order to select the appropriate method for a particular problem. The book draws upon material from approximately 1300 books and articles, and includes original research by the author.