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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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CHANGE IN AGGREGATE EXPENDITURES: The movement along an aggregate demand curve caused by a change in the price level. This should be contrasted directly with a change in aggregate demand. You might also want to review the terms change in quantity demanded and change in demand, as well. A change in aggregate expenditures means that we have identified a NEW level of expenditures on the existing aggregate demand curve. In contrast, a change in aggregate demand means that we have changed, moved, or shifted, the entire aggregate demand curve, the whole range of price levels and aggregate expenditures has changed. See also | aggregate demand | aggregate demand curve | aggregate demand determinants | price level | real production | aggregate expenditures | change in aggregate demand | change in quantity demanded | change in demand | market demand |
Recommended Citation:CHANGE IN AGGREGATE EXPENDITURES, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2025. [Accessed: April 27, 2025].
AmosWEB Encyclonomic WEB*pedia:Additional information on this term can be found at: WEB*pedia: change in aggregate expenditures
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PRIVATE PROPERTY An economic institution in which goods, resources, commodities, or other assets (property) are owned and controlled by households and businesses (the private sector) rather than government (the public sector). Private property is a key institution, along with individual freedom and competitive markets, that helps to form the structure of capitalism.
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
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"We succeed in enterprises (that) demand the positive qualities we possess, but we excel in those (that) can also make use of our defects." -- Alexis de Tocqueville, Statesman
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LRMC
Long Run Marginal Cost
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