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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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INFERIOR GOOD A good for which a change in income causes an opposite change in demand. That is, an increase in income causes a decrease in demand and a decrease in income causes an increase in demand. The income elasticity of demand for an inferior good is negative. An inferior good is one of two alternatives falling within the buyers' income demand determinant. The other is a normal good.
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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time at a crowded estate auction seeking to buy either a birthday gift for your grandmother or a T-shirt commemorating yesterday. Be on the lookout for mail order catalogs with hidden messages.
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This isn't me! What am I?
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Okun's Law posits that the unemployment rate increases by 1% for every 2% gap between real GDP and full-employment real GDP.
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"Always vote for principle, though you may vote alone, and you may cherish the sweetest reflection that your vote is never lost. " -- John Quincy Adams, 6th US president
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FX
Foreign Exchange
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