Problem: This solution gives a correct answer and description on the following problems: Is a market confined to all firms and individuals willing and able to buy or sell a particular product at a given time and place? Will the even balance of power between sellers and buyers result to a competitive process that will yield maximum benefits? Is the close link between the numbers of market participants and the vigor of price competition always evident? Does a Market structure describes the competitive environment in the market for any good or service? Do competitors benefit from the effects of potential entrants in industries with only a handful of viable firms?