- An equilibrium condition where the interaction of profit-maximizing producers and utility-maximizing consumers in competitive markets with freely determined prices will give rise to an equilibrium price. At this equilibrium price, the quantity supplied is equal to the quantity demanded.
While the basic supply and demand model is based on individual consumer and firm behavior, the competitive equilibrium model is based on the behavior of aggregate consumers and firms in competitive markets. It can be used to predict the equilibrium price and total quantity in the market, as well as the quantity consumed by each individual and output per firm.
Investment dictionary. Academic. 2012.
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Fundamental theorems of welfare economics — There are two fundamental theorems of welfare economics. The first states that any competitive equilibrium or Walrasian equilibrium leads to an efficient allocation of resources. The second states the converse, that any efficient allocation can… … Wikipedia