Macroeconomics is widely praised for its ability to present theory as a way of evaluating key macro questions, such as why some countries are rich and others are poor. Gordon makes extensive use of data, international examples, and case studies throughout, and the Eleventh Edition incorporates critical developments in the field. New topics include the housing bubble and the role of housing wealth, the economic progress of China, recent discussions of growth theory, and the effect of oil prices on the economy. Introduction and Measurement: What Is Macroeconomics?; The Measurement of Income, Prices, and Unemployment. Income, Interest Rates, Policy, and the Open Economy: Spending, Income, and Interest Rates; Monetary and Fiscal Policy in the IS-LM Model; National Saving, the Government Budget, Foreign Borrowing, and the Twin Deficits; International Trade, Exchange Rates, and Macroeconomic Policy. Aggregate Demand, Aggregate Supply, U