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MACROECONOMIC SECTORS: The four aggregate sectors of the macroeconomy--household, business, government, and foreign--that reflect four key macroeconomic functions and are responsible for four expenditures on gross domestic product. These four sectors are the primary "actors" on the macroeconomic stage. Macroeconomic theories then explain macroeconomic phenomena by exploring the interaction among these four sectors.
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MARKET FOR LEMONS A market adversely selects only lower quality products for exchange. The market for lemons is an illustration of adverse selection that results from asymmetric information. In this market, because buyers have limited information they offer an average price based on the average quality of the goods. Sellers, however, with better information select to sell lower quality products but not higher quality ones. Two methods of address this problem are signalling and screening. Two related information problems are moral hazard and the principal-agent problem.
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PURPLE SMARPHIN [What's This?]
Today, you are likely to spend a great deal of time searching for rummage sales hoping to buy either a rechargeable flashlight or storage boxes for your computer software CDs. Be on the lookout for infected paper cuts. Your Complete Scope
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Francis Bacon (1561-1626), a champion of the scientific method, died when he caught a severe cold while attempting to preserve a chicken by filling it with snow.
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"I do the best I know how, the very best I can, and I mean to keep doing so until the end. " -- Abraham Lincoln, 16th US president
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ASEAN Association of South East Asian Nations
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