What is 'Monopolistic Competition' Characterizes an industry in which many firms offer products or services that are similar, but not perfect substitutes. Barriers to entry and exit in the industry are low, and the decisions of any one firm do not directly affect those of its competitors.
The model of monopolistic competition describes a common market structure in which firms have many competitors, but each one sells a slightly different product. Monopolistic competition as a market structure was first identified in the 1930s by American economist Edward Chamberlin, and English economist Joan Robinson.
In an Oligopoly market structure, there are a few interdependent firms dominate the market. They are likely to change their prices according to their competitors. For example, if Coca-Cola changes their price, Pepsi is also likely to.
Pure or perfect competition is a theoretical market structure in which a number of criteria such as perfect information and resource mobility are met. Pure or perfect competition is a theoretical market structure in which a number of criteria such as perfect information and resource mobility are met.