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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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TAXATION PRINCIPLES

Taxes are the mandatory payments made by members of society to governments to finance government operations. The study of public finance identifies several key principles of taxation -- tax effects (revenue and allocation), tax proportionality (proportional, progressive, and regressive), tax payments (benefit and ability-to-pay), tax equity (horizontal and vertical).

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Today, you are likely to spend a great deal of time looking for the new strip mall out on the highway trying to buy either a birthday greeting card for your uncle or a T-shirt commemorating the 2000 Presidential election. Be on the lookout for the happiest person in the room.
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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.
"Be kind and merciful. Let no one ever come to you without coming away better and happier."

-- Mother Teresa of Calcutta, humanitarian

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