Economics is the social science that deals with the production, distribution, and consumption of goods and services and with the theory and management of economies or economic systems.
In classical economics, factors that are said to determine price, by correlating the amount of a given commodity producers hope to sell at a certain price (SUPPLY), and the amount of that commodity that consumers are willing to purchase (DEMAND).
SUPPLY refers to the varying amounts of a good that producers will supply at different prices; in general, a higher price yields a greater supply. Demand refers to the quantity of a good that is demanded by consumers at any given price. According to the law of demand, demand decreases as the price rises. In a perfectly competitive economy, the combination of the UPWARD-SLOPING SUPPLY CURVE and the downward-sloping demand curve yields a SUPPLY and demand schedule that, at the intersection of the two curves, reveals the equilibrium price of an item.
Theories of supply and demand had their roots in the early 20th century theories of Alfred Marshall, which recognized the role of consumers in determining prices, rather than taking the classical approach of focusing exclusively on the cost for the producer as a determinant. Marshall's work brought together classical supply theory with more recent developments concentrating on the utility of a commodity to the consumer (see value). More recent theories, such as indifference-curve analysis and revealed preference, offer more flexibility to the supply and demand theories created by proponents of marginal utility.
See L. Klein, The Economics of Supply and Demand (1983); K. Cuthbertson, The Supply and Demand for Money (1985).
2006-12-30 16:33:28
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answer #1
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answered by fmb43 2
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2016-04-04 01:19:36
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answer #2
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answered by Barbara 4
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