Monopolies are perfect examples of situations where perfect competition cannot be achieved, leading to inefficiency. With perfectly competitive economy, quantity demanded equals quantity supplied at the equilibrium price, giving us completely efficient output. With a monopoly, rather than a competitive market determining the quantity demanded, a single profit-seeking firm restricts output until its marginal revenue equals its marginal cost. Where social welfare equals consumer surplus plus producer surplus, a competitive market yields no surplus since maximum efficiency is achieved. Nobody can gain a single unit more …show more content…
The intent of the law was to ban large trusts from increasing prices by manipulating output or trade. Section 1 of the antitrust act prohibits manipulating competitive markets within interstate commerce. Section 2 outlines what types of monopolies are permitted, stating, that firms must not create a monopoly in a destructive way (Blair, 178). However, the Sherman Act does not claim to punish outstanding firms who have earned large control of market share through providing high quality products. Therefore, the Sherman Antitrust Act does not outright ban monopolies, rather, it bans damaging monopolies that came about through non-competitive means. This is an important economic distinction, as it still allows for the incentive to be a powerful company that provides superior