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ADJUSTMENT, LONG-RUN AGGREGATE MARKET: Disequilibrium in the long-run aggregate market induces changes in the price level that restore equilibrium. If the price level is above the long-run equilibrium price level, economy-wide product market surpluses cause the price level to fall. If the price level is below the long-run equilibrium price level, economy-wide product market shortages cause the price level to rise. In both cases long-run equilibrium is restored. Price level changes induce changes in aggregate expenditures but NOT changes in real production. The reason is that long-run aggregate supply is full-employment real production, which is unaffected by the price level.
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BARRIERS TO ENTRY Institutional, government, technological, or economic restrictions on the entry of participants into a market or industry. The four primary barriers to entry are: (1) resource ownership, (2) patents and copyrights, (3) government restrictions, and (2) start-up cost. Barriers to entry are a key reason for market control and the inefficiency that results. In particular, monopoly, oligopoly, monopsony, and oligopsony often owe their market control to assorted barriers to entry. By way of contrast, perfect competition, monopolistic competition, and monopsonistic competition have few if any barriers to entry and thus little or no market control.
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RED AGGRESSERINE
[What's This?]
Today, you are likely to spend a great deal of time at a going out of business sale hoping to buy either a travel case for you toothbrush or a looseleaf notebook binder. Be on the lookout for mail order catalogs with hidden messages.
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This isn't me! What am I?
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In the Middle Ages, pepper was used for bartering, and it was often more valuable and stable in value than gold.
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"The majority of men meet with failure because of their lack of persistence in creating new plans to take the place of those that fail. " -- Napoleon Hill, author
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SMSA
Standard Metropolitan Statistical Area
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