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AD: The abbreviation for aggregate demand, which is the total (or aggregate) real expenditures on final goods and services produced in the domestic economy that buyers would willing and able to make at different price levels, during a given time period (usually a year). Aggregate demand (AD) is one half of the aggregate market analysis; the other half is aggregate supply. Aggregate demand, relates the economy's price level, measured by the GDP price deflator, and aggregate expenditures on domestic production, measured by real gross domestic product. The aggregate expenditures are consumption, investment, government purchases, and net exports made by the four macroeconomic sectors (household, business, government, and foreign).
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ASYMMETRIC INFORMATION Information is not equally available to everyone. Asymmetric information results because efficient information search inevitably stops short of compete information. Some people obtain more benefits from information than others, are willing to incur higher search costs, and thus end up knowing more. Or they incur lower information search costs and have easier access to the information. In a market, sellers tend to have more information about the good than buyers. Asymmetric information gives rise to adverse selection, moral hazard, and the principal-agent problem. These problems can be lessened through signalling and screening.
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ORANGE REBELOON
[What's This?]
Today, you are likely to spend a great deal of time lost in your local discount super center seeking to buy either a decorative windchime with plastic or a flower arrangement for that special day for your mother. Be on the lookout for spoiled cheese hiding under your bed hatching conspiracies against humanity.
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A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
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"All labor that uplifts humanity has dignity and importance and should be undertaken with painstaking excellence. " -- Martin Luther King Jr., civil rights leader
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NBER
National Bureau of Economic Research
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