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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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DECREASING RETURNS TO SCALE A given proportional change in all resources in the long run results in a proportional smaller change in production. Decreasing returns to scale exists if a firm increases ALL resources--labor, capital, and other inputs--by a given proportion (say 10 percent) and output increases by less than this proportion (that is, less than 10 percent). This is one of three returns to scale. The other two are increasing returns to scale and constant returns to scale.
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Trading Some Ideas On EXCHANGE RATESOne potential problem with any far and wide ambling tour of the economy is ambling too far or too wide. Such is the case as we find ourselves in the quaint and courteous Republic of Northwest Queoldiola. While we're here, let's take the opportunity to explore the quaint and courteous economy of the Northwest Queoldiola. Our impromptu economic expedition is faced with an immediate roadblock. I have a pocket filled with good old U. S. dollar bills, but the quaint and courteous people of Northwest Queoldiola don't trade their wares for good old U. S. dollar bills. They prefer the quaint and courteous Northwest Queoldiolan currency, the queold. All we need to do is trade my good old U. S. dollar bills for quaint and courteous queolds.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time flipping through mail order catalogs hoping to buy either a rechargeable battery for your computer or shoe laces for your snow boots. Be on the lookout for telephone calls from long-lost relatives.
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This isn't me! What am I?
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The penny is the only coin minted by the U.S. government in which the "face" on the head looks to the right. All others face left.
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"The secret of getting ahead is getting started. The secret of getting started is breaking your complex, overwhelming tasks into small manageable tasks, and then starting on the first one. " -- Mark Twain, writer
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QR
Quantitative Restriction
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