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SHORT-RUN SUPPLY CURVE: For a perfectly competitive firm, the marginal cost curve that lies above the average variable cost curve. This segment of the marginal cost guides a perfectly competitive firm's profit maximizing production as it equates price to marginal cost. Because the marginal cost curve is positively sloped (due to the law of diminishing marginal returns), each firm's supply curve and the market supply curve are also positively sloped. The law of diminishing marginal returns thus provides an explanation for the law of supply. However, this only works for firms with NO market control. Monopoly, monopolistic competition, and oligopoly, with market control, do not achieve the same result.
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TAX EFFICIENCY Taxes, mandatory payments used to finance government operations, inherently disrupt the allocation of resources. This disruption might be good, correcting an otherwise inefficient allocation caused by pollution or market control. However, for an already efficiency allocation, a tax creates and inefficient wedge between the demand price and the supply price. This tax is generally paid partially by buyers and partially by sellers, which the tax incidence. Inefficiency arises because a tax reduces the total amount of consumer surplus and producer surplus, which is deadweight loss.
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YELLOW CHIPPEROON
[What's This?]
Today, you are likely to spend a great deal of time wandering around the downtown area wanting to buy either a coffee cup commemorating last Friday (you know why) or a wall poster commemorating the first day of spring. Be on the lookout for infected paper cuts.
Your Complete Scope
This isn't me! What am I?
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
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"Whenever you fall, pick up something. " -- Oswald Avery, scientist
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CBOE
Chicago Board Options Exchange
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