How is oligopoly different from monopolistic competition? A. There are few sellers in an oligopolistic industry. B. There are many sellers in oligopolistic industries. C. Oligopolistic industries do not sell a differentiated product. D. There are low barriers to entry for oligopolistic industries. E. There are significant barriers to entry in an oligopolistic market.

Option (A) is correct.

Explanation:

There are few large firms in a oligopoly market conditions but in a monopolistic market conditions there are many firms selling the products.

Firms in both the market conditions are selling the identical products but they are not perfect substitutes. For example; aviation industry, beer industry, etc.

There is one unique characteristic of oligopolistic is the mutual inter-dependence.