The market structure characterized by a few interdependent firms and barriers to entry is called:

A) monopolistic competition.
B) perfect competition.
C) oligopoly.
D) monopoly.

Interdependent Firms

Companies whose outcomes are mutually affected by each other's decisions, often observed in oligopolistic markets.

Oligopoly

An economic configuration where a limited number of companies hold considerable authority over pricing and competitive dynamics in the market.

Barriers to Entry

Economic, procedural, regulatory, or technological factors that obstruct or restrict the ability of new competitors to enter and operate in a market or industry.