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MARGINAL TAX RATE: A tax rate that is the percentage of an incremental change in the tax base paid in taxes. Comparable to any marginal, this is the change in total taxes collected or paid divided by the change in the total value of the tax base. For example, if a person has a $10,000 increase in earnings from $40,000 to $50,000 and income taxes increase by $2,000 from $3,000 to $5,000 in taxes, then the marginal income tax rate is 20 percent. The contrasting term is average tax rate.

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AVERAGE REVENUE CURVE, PERFECT COMPETITION

A curve that graphically represents the relation between average revenue received by a perfectly competitive firm for selling its output and the quantity of output sold. Because average revenue is essentially the price of a good, the average revenue curve is also the demand curve for a perfectly competitive firm's output.

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BLUE PLACIDOLA
[What's This?]

Today, you are likely to spend a great deal of time looking for a downtown retail store trying to buy either a how-to book on surfing the Internet or a computer that can play music and burn CDs. Be on the lookout for slow moving vehicles with darkened windows.
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The standard "debt" notation I.O.U. does not mean "I owe you," but actually stands for "I owe unto..."
"Progress begins with the belief that what is necessary is possible. "

-- Norman Cousins, editor, writer

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