Michael Weiss is a columnist for Foreign Policy, The Daily Beast, and NOW Lebanon. He is also a fellow at the Institute of Modern Russia where he is the editor-in-chief of The Interpreter, an online news and translation journal covering Russian foreign policy and the ongoing war in Ukraine.
Perfectly competitive firms are small in size in relation to the market size â and none of these firms control the market. A monopolist firm, on the other hand, is larger and controls the entire market for its industry. Monopolistic firms are price makers by virtue of their market control.
Monopolistic competition is a market structure with a large number of relatively small firms that sell similar but not identical products. Each firm is small relative to the overall size of the market such that it has some market control, but not much.