Monopoly, the market of one seller, had in many cases given way to oligopoly, the market of the few. Shrewdly President Roosevelt let others launch his attack on oligopoly, dispatching lieutenants ...

There are several types of imperfect competition, including monopolistic competition, oligopoly and monopoly. Here's how they compare: Imperfect competition can often lead to higher prices and ...

The Liberal government has approved of a grain industry merger that will further reduce competition and grow a monopoly.