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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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INVESTMENT LINE

A graphical depiction of the relation between investment expenditures by the business sector and the economy's aggregate level of income or production. This relation plays a key role in the study of Keynesian economics. A investment line is characterized by vertical intercept, which indicates autonomous investment, and slope, which is the marginal propensity to invest and indicates induced investment. The aggregate expenditures line used in Keynesian economics is derived by adding or stacking the investment line onto the consumption line, then adding government purchases and net exports to this stack.

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APLS

PINK FADFLY
[What's This?]

Today, you are likely to spend a great deal of time looking for the new strip mall out on the highway seeking to buy either a flower arrangement for that special day for your mother or a New York Yankees baseball cap. Be on the lookout for high interest rates.
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This isn't me! What am I?

Ragnar Frisch and Jan Tinbergen were the 1st Nobel Prize winners in Economics in 1969.
"Courage is the ladder on which all the other virtues mount."

-- Claire Boothe Luce, diplomat, writer

IIP
Index of Industrial Production
A PEDestrian's Guide
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