This text remains a proven leader in the world of economics. Since introducing the aggregate supply/ aggregate demand model as a fundamental tool for learning economics over two decades ago, in this edition William J. Baumol and Alan S. Blinder continue their long tradition of equipping students with the knowledge and tools they need to apply modern economics to their world. Hallmark features include one of the strongest policy treatments on the market and a careful and in-depth focus on the most important economic tools students should retain after the course is over.