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DPI: The abbreviation for disposable personal income, which is the total income that can be used by the household sector for either consumption or saving during a given period of time, usually one year. This is the income left over after income taxes and social security taxes are removed and government transfer payments, like welfare, social security benefits, or unemployment compensation are added. Because consumption and saving are important to our economy for short-run stability and long-run growth, pointy-headed economists like to keep a close eye on disposable personal income. Disposable personal income is reported quarterly (every three months) in the National Income and Product Accounts maintained by the Bureau of Economic Analysis.
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DECREASING MARGINAL RETURNS In the short-run production of a firm, an increase in the variable input results in a decrease in the marginal product of the variable input. Decreasing marginal returns typically surface after the first few quantities of a variable input are added to a fixed input. This is one of two types of marginal returns. The other is increasing marginal returns. A related phenomenon is diseconomies of scale associated with long-run production.
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PURPLE SMARPHIN
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Today, you are likely to spend a great deal of time visiting every yard sale in a 30-mile radius trying to buy either a replacement battery for your pocket calculator or a how-to book on home remodeling. Be on the lookout for crowded shopping malls.
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In the Middle Ages, pepper was used for bartering, and it was often more valuable and stable in value than gold.
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"Lord, where we are wrong, make us willing to change; where we are right, make us easy to live with. " -- Peter Marshall, US Senate chaplain
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EPS
Earnings Per Share
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