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MARGIN REQUIREMENT: The fraction of the purchase price of financial investments, like stocks and bonds, that the buyer must pay for in cash. The remaining part of the purchase price can thus be financed with credit.

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MARGINAL REVENUE, PERFECT COMPETITION

The change in total revenue resulting from a change in the quantity of output sold. Marginal revenue indicates how much extra revenue a perfectly competitive firm receives for selling an extra unit of output. It is found by dividing the change in total revenue by the change in the quantity of output. Marginal revenue is the slope of the total revenue curve and is one of two revenue concepts derived from total revenue. The other is average revenue. To maximize profit, a perfectly competitive firm equates marginal revenue and marginal cost.

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Today, you are likely to spend a great deal of time at a crowded estate auction hoping to buy either a how-to book on meeting people or clothing for your pet iguana. Be on the lookout for celebrities who speak directly to you through your television.
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The average bank teller loses about $250 every year.
"Kites rise highest against the wind, not with it. "

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BIF
Bank Insurance Fund
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