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

Meantime the form of Big Business changed from the monopolistic ... of potent corporations. Monopoly, the market of one seller, had in many cases given way to oligopoly, the market of the few.

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 ...