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LONG-RUN AVERAGE COST CURVE: A curve depicting the per unit cost of producing a good or service in the long run when all inputs are variable. The long-run average cost curve (usually abbreviated LRAC) can be derived in two ways. On is to plot long-run average cost, which is, long-run total cost divided by the quantity of output produced. at different output levels. The more common method, however, is as an envelope of an infinite number of short-run average total cost curves. Such an envelope is base on identifying the point on each short-run average total cost curve that provides the lowest possible average cost for each quantity of output. The long-run average cost curve is U-shaped, reflecting economies of scale (or increasing returns to scale) when negatively-sloped and diseconomies of scale (or decreasing returns to scale) when positively sloped. The minimum point (or range) on the LRAC curve is the minimum efficient scale.
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MARSHALLIAN CROSS A diagram illustrating the market model, with price measured on the vertical axis and quantity measured on the horizontal axis, with the law of demand represented as a downward-sloping demand curve and the law of supply represented as an upward-sloping supply curve. The derivation of this name comes from the "Marshall" part of noted economist Alfred Marshall, and the intersection or "cross" of the demand and supply curves achieved at that market equilibrium.
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GREEN LOGIGUIN
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Today, you are likely to spend a great deal of time flipping through the yellow pages looking to buy either car battery jumper cables or a dozen high trajectory optic orange golf balls. Be on the lookout for neighborhood pets, especially belligerent parrots.
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The word "fiscal" is derived from a Latin word meaning "moneybag."
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"Just as iron rusts from disuse, even so does inaction spoil the intellect. " -- Leonardo da Vinci, architect, artist
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HSB
High School and Beyond
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