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After reading this chapter, you should understand the following:
This chapter will describe the history and current status of federal laws to safeguard the US market from anticompetitive practices, especially those of very large companies that may have a monopolyA company has a monopoly where it has a large enough percentage of a given market segment to exercise monopoly power in a manner that would adversely affect competition.. Companies that have a monopoly in any market segment have the potential to exercise monopoly powerThe ability of a monopoly to dictate prices and other characteristics in a given market segment. in ways that are harmful to consumers and competitors. Economic theory assures us that for the most part, competition is good: that sound markets will offer buyers lots of choices and good information about products and services being sold and will present few barriers to entry for buyers and sellers. By encouraging more, rather than fewer, competitors in a given segment of the market, US antitrust law attempts to preserve consumer choice and to limit barriers to entry, yet it does allow some businesses to achieve considerable size and market share on the belief that size can create efficiencies and pass along the benefits to consumers.