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PERFECT COMPETITION AND EFFICIENCY: Perfect competition is the idealized market structure that achieves an efficient allocation of resources. The conditions of perfect competition, including (1) large number of small firms, (2) identical products sold by all firms, (3) freedom of entry into and exit out of the industry, and (4) perfect knowledge of prices and technology, ensure that perfect competition efficiently allocates resources. This is in fact the purpose of perfect competition: a market structure that illustrates perfection, the best of all possible resource allocation worlds. The real world falls short of this perfection.
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LONG RUN, MACROECONOMICS In terms of the macroeconomic analysis of the aggregate market, a period of time in which all prices, especially wages, are flexible, and are able to achieve equilibrium levels. This is one of two macroeconomic time designations; the other is the short run. Long-run wage and price flexibility means that ALL markets, including resource markets and most notably labor markets, are in equilibrium, with neither surpluses nor shortages. Wage and price flexibility and the resulting resource market equilibria are the reason for the vertical long-run aggregate supply curve.
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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time looking for a downtown retail store trying to buy either arch supports for your shoes or an AC adapter that works with your MPG player. Be on the lookout for cardboard boxes.
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Rosemary, long associated with remembrance, was worn as wreaths by students in ancient Greece during exams.
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"The only profit center is the customer." -- Peter Drucker, educator
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ECLA
Economic Commission for Latin America
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