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AGGREGATE DEMAND DETERMINANTS: An assortment of ceteris paribus factors that affect aggregate demand, but which are assumed constant when the aggregate demand curve is constructed. Changes in any of the aggregate demand determinants cause the aggregate demand curve to shift. While a wide variety of specific ceteris paribus factors can cause the aggregate demand curve to shift, it's usually most convenient to group them into the four, broad expenditure categories -- consumption, investment, government purchases, and net exports. The reason is that changes in these expenditures are the direct cause of shifts in the aggregate demand curve. If any determinant affects aggregate demand it MUST affect one of these four expenditures.
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TOTAL REVENUE, MONOPOLY The revenue received by a monopoly firm for the sale of its output. Total revenue is one two bits of information a monopoly firm needs to calculate economic profit, the other is total cost. In general, total revenue is price times quantity--the price received for selling a good times the quantity of the good sold at that price. For a monopoly firm, that charges different prices for different quantities, total revenue increases then decreases. Two other revenue measures directly related to total revenue are average revenue and marginal revenue. Total revenue is often depicted as a total revenue curve.
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Only 1% of the U.S. population paid income taxes when the income tax was established in 1914.
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"I don't know the key to success, but the key to failure is trying to please everybody. " -- Bill Cosby
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WLLN
Weak Law of Large Numbers
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