Firm A is concerned about the reactions of buyers to the price it sets for its product. Firm B is concerned about the reactions of buyers and its few rivals to the price it sets for its product. Firm C has no control over the price at which its product is sold. Which of the following best describes Firms A, B, and C respectively? A) a monopolistic competitor, an oligopolist, and a pure competitor.
B) an oligopolist, a monopolistic competitor, and a pure competitor.
C) a monopolistic competitor, a pure competitor, and an oligopolist.
D) a pure competitor, an oligopolist, and a monopolistic competitor.
E) None of the above is correct.

A

Explanation:

A perfect competition is characterized by many buyers and sellers of homogenous goods and services. Market prices are set by the forces of demand and supply. There are no barriers to entry or exit of firms into the industry.

In the long run, firms earn zero economic profit. If in the short run firms are earning economic profit, in the long run firms would enter into the industry. This would drive economic profit to zero.

Also, if in the short run, firms are earning economic loss, in the long run, firms would exit the industry until economic profit falls to zero.

A monopolistic competition is when there are many firms selling differentiated products in an industry. A monopoly has characteristics of both a monopoly and a perfect competition. the demand curve is downward sloping. it sets the price for its goods and services.

An example of monopolistic competition are restaurants

An Oligopoly is when there are few large firms operating in an industry. While, a monopoly is when there is only one firm operating in an industry.

Oligopolies are characterised by:

price setting firms

product differentiation

profit maximisation

high barriers to entry or exit of firms

downward sloping demand curve

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