Unit One Text: What Is Economics? Additional Text: The Economic Problem Text: Demand and Supply Additional Text: Supply and Demand and Odd Yellow FruitUnit Three Text: Price Elasticities of Demand and Supply Additional Text: How Landlords Respond to Rent Control: The Case of New York City Text: Cost of Production Additional Text: Economies and Diseconomies of ScaleUint Four Text: Monopoly Additional Text: Perfect CompetitionNint Five Text: Oligopoly Additional Text: Monopolistic CompetitionUnit Seven Text: Gross Domestic Product Additional Text: Two Alternative Approaches of MeasurinE GDP Text: Economic Growth Additional Text: Sources of Economic DevelopmentUnit Nine Text: Inflation Additional Text: Unemployment Text: Money and Banking Additional Text: Facing the Impact of Foreign BanksUnit Eleven Text: Foreign Exchange and Exchange Rate Additional Text: Exchange Rates and Trade Text: The Balance of Payments Additional Text: International Monetary Systems Text: Fiscal and Monetary Policy Additional Text: Lags in the Economy's Response to Monetary and Fiscal Policy Text: Role of Government in the Economy Additional Text: Government's Policies Toward ExternalitiesAppendix Ⅰ Answers to ExercisesAppendix Ⅱ Chinese Translation of the Texts