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AD CURVE: The aggregate demand curve, which is a graphical representation of the relation between aggregate expenditures on real production and the price level, holding all ceteris paribus aggregate demand determinants constant. The aggregate demand, or AD, curve is one side of the graphical presentation of the aggregate market. The other side is occupied by the aggregate supply curve (which is actually two curves, the long-run aggregate supply curve and the short-run aggregate supply curve). The negative slope of the aggregate demand curve captures the inverse relation between aggregate expenditures on real production and the price level. This negative slope is attributable to the interest-rate effect, real-balance effect, and net-export effect.
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TRADE BARRIER: A restriction, invariably by government, that prevents free trade among countries. The more popular trade restrictions are tariffs, import quotas, and assorted nontariff barriers. An occasional embargo will be even thrown into this mix. The primary use of trade barriers is to restrict imports from entering in country. By restring imports, domestic producers of the restricted goods are protected from competition and are even subsidized through higher prices. Consumers, though, get the short end of this stick with higher prices and a limited choice of goods. In that producers tend to have more political clout than consumers, it's pretty obvious why trade barriers are a "natural" state of affairs. See also | foreign trade | free trade | tariff | import | quota | embargo | export | competition | subsidy | GATT |
Recommended Citation:TRADE BARRIER, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2026. [Accessed: January 15, 2026].
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COMPARATIVE STATICS The technique of comparing the equilibrium resulting from a change in a determinant, or shock to a model, with the equilibrium that existed prior to the change. Comparative statics is the primary analytical technique used in the study of economics.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time searching for rummage sales trying to buy either several magazines on computer software or a T-shirt commemorating the second moon landing. Be on the lookout for defective microphones.
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The 1909 Lincoln penny was the first U.S. coin with the likeness of a U.S. President.
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"My philosophy of life is that if we make up our mind what we are going to make of our lives, then work hard toward that goal, we never lose - somehow we win out." -- President Ronald Reagan
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ACIR
Advisory Council on Intergovernmental Relations
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