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ABILITY-TO-PAY PRINCIPLE: A principle of taxation in which taxes are based on the income or resource-ownership ability of people to pay the tax. The income tax collected by our friends at the Internal Revenue Service is one of the most common taxes that seeks to abide by the ability-to-pay principle. In theory, the income tax system is set up such that people with greater incomes pay more taxes. Proportional and progressive taxes follow this ability-to-pay principle, while regressive taxes, such as sales taxes and Social Security taxes, don't.

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MARGINAL REVENUE CURVE, PERFECT COMPETITION

A curve that graphically represents the relation between the marginal revenue received by a perfectly competitive firm for selling its output and the quantity of output sold. Because a perfectly competitive firm is a price taker and faces a horizontal demand curve, its marginal revenue curve is also horizontal and coincides with its average revenue (and demand) curve. A perfectly competitive firm maximizes profit by producing the quantity of output found at the intersection of the marginal revenue curve and marginal cost curve.

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RED AGGRESSERINE
[What's This?]

Today, you are likely to spend a great deal of time at a crowded estate auction wanting to buy either a wall poster commemorating the moon landing or storage boxes for your winter clothes. Be on the lookout for rusty deck screws.
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This isn't me! What am I?

More money is spent on gardening than on any other hobby.
"How we spend our days is, of course, how we spend our lives. "

-- Annie Dillard, essayist

NEDO
National Economic Development Office
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