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LERNER INDEX: The difference between price (p) and marginal cost (mc) as a fraction of price, that is [p-mc]/p. The Lerner index is usually taken as an indicator of market power because the larger the index, the larger the difference between price and marginal cost, that is, the larger the distance between the price and the competitive price. The Lerner index depends on the elasticity of demand. The Lerner index is also called the price-cost margin.
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DEADWEIGHT LOSS The decrease in the sum of consumer surplus and producer surplus that results from the imposition of a tax. When a tax drives a wedge between demand price and supply price it disrupts what otherwise would be an efficient market equilibrium. Inefficiency arises because while a portion of the sum of consumer and producer surplus is merely transferred to government, a portion of this sum also disappears. The part that disappears is the deadweight loss and is an indicator of the inefficiency of the tax.
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ORANGE REBELOON
[What's This?]
Today, you are likely to spend a great deal of time at the confiscated property police auction seeking to buy either throw pillows for your living room sofa or a hepa filter for your furnace. Be on the lookout for high interest rates.
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This isn't me! What am I?
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Mark Twain said "I wonder how much it would take to buy soap buble if there was only one in the world."
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"To understand a man, you must know his memories. The same is true of a nation." -- Anthony Quayle, Actor
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EFT
Electronic Funds Transfer
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