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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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UNIT ELASTIC An elasticity alternative in which changes in one variable (usually price) cause equal proportional changes in another variable (usually quantity). In other words, any change in price, whether big or small, triggers exactly the same percentage change in quantity. Quantity changes match price changes. This characterization of elasticity is most important for the price elasticity of demand and the price elasticity of supply. Unit elastic is one of five elasticity alternatives. The other four are perfectly elastic, perfectly inelastic, relatively elastic, and relatively inelastic.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time calling an endless list of 800 numbers looking to buy either a box of multi-colored, plastic paper clips or several orange mixing bowls. Be on the lookout for the last item on a shelf.
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This isn't me! What am I?
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Ragnar Frisch and Jan Tinbergen were the 1st Nobel Prize winners in Economics in 1969.
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"I was always looking outside myself for strength and confidence, but it comes from within. It is there all the time. " -- Anna Freud, psychologist
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BVAR
Bayesian VAR (Vector Autoregression)
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