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DETERMINANTS: Ceteris paribus factors that are held constant when a curve is constructed. Changes in these factors then cause the curve to shift to a new location. The most common determinants are demand determinants for the demand curve (income, preferences, other prices, buyers' expectations, and number of buyers) and supply determinants for the supply curve (resource prices, technology, other prices, buyers' expectations, and number of buyers). Other common curves and their determinants include: production possibilities curve (technology, education and the quantities of labor, capital, land, and entrepreneurship); aggregate demand curve (the four aggregate expenditures of consumption, investment, government purchases, and net exports); and short-run average cost curve (technology, wages, and other production cost).
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FIXED INPUT An input whose quantity cannot be changed in the time period under consideration. The relevant time period is usually termed the short run. The most common example of a fixed input is capital. The alternative to fixed input is variable input. A fixed input, such as capital, provides the "capacity" constraint for the short-run production of a firm. A variable input, such as labor, provides the means of changing short-run production. As larger quantities of a variable input are added to a fixed input, the variable input becomes less productive, which is the law of diminishing marginal returns.
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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time surfing the Internet wanting to buy either galvanized steel storage shelves or a large green chalkboard shaped like the state of Maine. Be on the lookout for high interest rates.
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Ragnar Frisch and Jan Tinbergen were the 1st Nobel Prize winners in Economics in 1969.
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"Posterity: you will never know how much it has cost my generation to preserve your freedom. I hope you will make good use of it. " -- John Quincy Adams, 6th U. S. president
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AS
Aggregate Supply
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