Unlike perfect competition, where numerous small firms compete with identical products, imperfect competition is characterized by fewer firms, differentiated products and barriers to entry.

Reviewed by Erika RasureFact checked by Vikki VelasquezProduct Differentiation vs. Price Discrimination: An OverviewProduct ...

Vertical organization, price discrimination under imperfect competition, product differentiation, markets with search/switching costs, economics of innovation, international trade and organization.