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S&P 500: The abbreviation for the Standard & Poor's 500, an index of the prices of 500 corporate stocks traded on the New York Stock Exchange. It includes an assortment of stocks for industrial, transportation, and utility companies. It also includes a larger number of stocks than the comparable Dow Jones composite index, which means it's often considered a better measure of the overall performance of the stock market. Less commonly publicized are separate Standard & Poor's indexes for industrial, transportation, utility, and financial stocks.
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Lesson 7: Market | Unit 1: The Exchange
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Page: 5 of 22
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- The concept of markets as voluntary trades among buyers and sellers that is used to address the scarcity problem.
- Four key points about markets:
- They combine demand and supply.
- They trade goods, services, and resources.
- They are voluntary.
- They are analyzed over a give time period.
- Examples of different markets, ranging from a formal, organized stock market to a less formal, less organized rummage sale.
- The nature of market equilibrium as a balance of the forces of demand and supply.
- How market equilibrium is indicated by the equilibrium quantity and equilibrium price.
- The importance of competition to the efficient operation of markets and how the number of participants determines competition among buyers and sellers.
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FOUR-SECTOR AGGREGATE EXPENDITURES LINE A graphical depiction of the relation between aggregate expenditures by the four macroeconomic sectors (household, business, government, and foreign) and the level of aggregate income or production. The four-sector aggregate expenditures line combines consumption expenditures, investment expenditures, government purchases, and net exports. The slope of this aggregate expenditures line is based on the marginal propensity to consume, adjusted for marginal propensities of the other expenditures that are assumed to be induced when constructing the line. This is one of three aggregate expenditures lines based on the number of sectors included. The others are the two-sector aggregate expenditures line and the three-sector aggregate expenditures line.
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Much of the $15 million used by the United States to finance the Louisiana Purchase from France was borrowed from European banks.
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"We succeed in enterprises (that) demand the positive qualities we possess, but we excel in those (that) can also make use of our defects." -- Alexis de Tocqueville, Statesman
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TFP
otal Factor Productivity
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