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LAFFER CURVE: The graphical inverted-U relation between tax rates and total tax collections by government. Developed by economist Arthur Laffer, the Laffer curve formed a key theoretical foundation for supply-side economics of President Reagan during the 1980s. It is based on the notion that government collects zero revenue if the tax rate is 0% and if the tax rate is 100%. At a 100% tax rate no one has the incentive to work, produce, and earn income, so there is no income to tax. As such, the optimum tax rate, in which government revenue is maximized, lies somewhere between 0% and 100%. This generates a curve shaped like and inverted U, rising from zero to a peak, then falling back to zero. If the economy is operating to the right of the peak, then government revenue can be increased by decreasing the tax rate. This was used to justify supply-side economic policies during the Reagan Administration, especially the Economic Recovery Tax Act of 1981 (Kemp-Roth Act).
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TAX PROPORTIONALITY The proportion of income paid in taxes at different levels of income. In some cases the proportion of income paid in taxes increases with income in other cases it decreases. And in still other cases, it remains the same. Tax proportionality comes in three alternatives -- proportional tax (different incomes pay the same proportion in tax), progressive tax (higher incomes pay a higher proportion in tax), and regressive (lower incomes pay a higher proportion in tax).
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BLUE PLACIDOLA
[What's This?]
Today, you are likely to spend a great deal of time going from convenience store to convenience store wanting to buy either a turbo-powered vacuum cleaner or a battery-powered, rechargeable vacuum cleaner. Be on the lookout for celebrities who speak directly to you through your television.
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This isn't me! What am I?
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A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
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"Love looks through a telescope; envy, through a microscope. " -- Josh Billings, humorist
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TU
Total Utility
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