市场结构2

ConceptTour747.binWhatisa“MARKET”?Whatisa“MARKET”?InEconomics,aMarketisdefinedasacontextinwhichexchangeofgoodsandservicesbetweensellersandbuyerstakesplace.AMarketexistswheneveratransactionismade.Fourfeatures:1.LargeNo.ofBuyers&Sellers2.HomogeneousProducts3.FreeEntry&Exit4.PerfectMarketInformationLargeNo.ofBuyers&SellerstheactionofanindividualbuyerorsellerisunabletoaffectthemarketpriceBuyersSellersHomogeneousProductstheproductsinthemarketmustbeidenticalintheeyesofconsumersFreeEntryandExitFirmsarefreetoentryorleavethemarketWelcometoPerfectlyCompetitiveMarketExit!!Entry!!PerfectMarketInformationBuyers&Sellersknowallmarketinformationaboutgoodse.g.PriceQualityQuantityExample:Thestockexchangeisacloseexample4features:inElementaryEconomicsP189FourFeatures:1.LargeNo.ofBuyers&