Providing a sound understanding of the principles, basic concepts, and methodology of engineering economy, this book is built upon the rich and time-tested teaching materials of earlier editions - extensively revised and updated to reflect current trends and issues, with an emphasis on the economics of engineering design throughout. It provides a complete and up-to-date of this important field, not only helping students to develop proficiency with the methods used in engineering economy analysis and the process for making rational decisions in situations likely to be encountered in professional practice, but also including insightful and comprehensive case studies to demonstrate the integrated application of the principles, basic concepts, and methodologies used by engineers in typical real-world situations. It thoroughly discusses the field"s most significant topics, such as cost estimating, design economics, and electronic spreadsheets.