Perfect competition Monopolistic competition Oligopoly Monopoly Number of firms Many firms Many firms Few firms Single firm Barriers to entry Very low Low High Very high Nature of substitute products Very close substitutes Substitutes but differentiated Very close substitutes or differentiated No good substitutes Nature of competition Price only Price, marketing & features Price, marketing & features Advertising Pricing power None Some Some to significant Significant Demand curve for the firm Perfectly elastic (Horizontal) Downward sloping, yet elastic Downward sloping Downward Sloping Example Rice market Soap Aircraft manufacturers Utility companies Key points Overall market supply and demand, determine the… Read More