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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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VERTICAL EQUITY

A tax equity principle stating that people with a different ability to pay taxes should pay a different amount of taxes. This is one of two equity principles related to the ability-to-pay principle. The other is horizontal equity, which states that people with the same ability to pay taxes should pay the same amount of taxes.

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Today, you are likely to spend a great deal of time wandering around the shopping mall looking to buy either a video camera with stop action features or one of those memory foam pillows. Be on the lookout for spoiled cheese hiding under your bed hatching conspiracies against humanity.
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A scripophilist is one who collects rare stock and bond certificates, usually from extinct companies.
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