Principles of Macroeconomics 2e covers the scope and sequence of most introductory economics courses. The text includes many current examples, which are handled in a politically equitable way. The outcome is a balanced approach to the theory and application of economics concepts. The second edition has been thoroughly revised to increase clarity, update data and current event impacts, and incorporate the feedback from many reviewers and adopters. The text and images in this book are grayscale. The first (previous) edition of Principles of Macroeconomics via OpenStax is available via ISBN 9781680921052. This is a grayscale and paperback version of ISBN 9781947172388.