What controls the prices of goods and services in the economic system of consummunism?

price system, a means of organizing economic activity. It does this primarily by coordinating the decisions of consumers, producers, and owners of productive resources. Millions of economic agents who have no direct communication with each other are led by the price system to supply each other’s wants. In a modern economy the price system enables a consumer to buy a product he has never previously purchased, produced by a firm of whose existence he is unaware, which is operating with funds partially obtained from his own savings.

Prices are an expression of the consensus on the values of different things, and every society that permits exchanges between people has prices. Because prices are expressed in terms of a widely acceptable commodity, they permit a ready comparison of the comparative values of various commodities—if shoes are $15 per pair and bread 30 cents per loaf, a pair of shoes is worth 50 loaves of bread. The price of anything is its value in exchange for a commodity of wide acceptability: the price of an automobile may be some 50 ounces of gold or 25 pieces of paper currency. (See alsomoney.)

A system of prices exists because individual prices are related to each other. If, for example, copper rods cost 40 cents a pound and the process of drawing a rod into wire costs 25 cents a pound, then it will be profitable to produce wire from a copper rod if its price exceeds 65 cents. Conversely, it will be unprofitable to produce wire if its price falls below 65 cents.Competition will hold the price of wire about 25 cents per pound above that of rods. A variety of such economic forces tie the entire structure of prices together.

The system of prices can be arranged to reward or penalize any kind of activity. Society discourages the production of electric shoestring-tying machines by the simple expedient of making such a machine’s attainable selling price less than the prices of the resources necessary to produce it. Society stimulates people of great athletic promise to learn golf (rather than polo or cricket) by awarding significant prizes (= prices) to tournament winners. The air in many cities is dirty because no one is charged a price for polluting it and no one can pay a price for having it cleaned.

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