An Introduction to the Functioning of the Economy and the Power and Breadth of Economics Reviewers tell us that Case/Fair/Oster is one of the all-time bestselling Principles of Economics texts because they trust it to be clear, thorough, and complete. Readers of Principles of Macroeconomics, Twelfth Edition come away with a basic understanding of how market economies function, an appreciation for the things they do well, and a sense of things they do poorly. With the latest research and added exercises, readers begin to learn the art and science of economic thinking and start to look at some policy and even personal decisions in a different way. Also Available with MyEconLab® This title is available with MyEconLab–an online homework, tutorial, and assessment program designed to work with this text to engage students and improve results. Within its structured environment, students practice what they learn, test their understanding, and pursue a personalized study plan that helps them better absorb course material and understand difficult concepts.