Sometimes oligopolies in the same industry are very different in size. Suppose we have a duopoly where one firm

(Firm A) is large and the other firm (Firm B) is small, as the prisoner’s dilemma box in Table 10.4 shows.


Firm B colludes with firm AFirm B cheats by selling more output
Firm A colludes with firm B
A gets \(1000,B gets \)100A gets \(800, B gets \)200
Firm A cheats by selling more outputA gets \(1050, B gets\)50A gets \(500, B gets \)20

Assuming that both firms know the payoffs, what is the likely outcome in this case?

Short Answer

Expert verified

Because of the prisoner’s dilemma, they will compete and cheat. When both firms cheat and lower their prices, firm A will earn $500 and firm B will get $20.

Step by step solution

01

Step 1. Definition

An oligopoly is a market with little competition in which a few producers control the majority of the market share and produce items that are identical or homogeneous.

02

Step 2. Explanation

According to the question both firm A and firm B are in duopoly so they are the only sellers and firm A is larger and firm B is small. Because of the prisoner’s dilemma, they will compete and cheat.

When both firms cheat and lower their prices, firm A will earn $500 and firm B will get $20

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Most popular questions from this chapter

Jane and Bill are apprehended for a bank robbery. They are taken into separate rooms and questioned by the police about their involvement in the crime. The police tell them each that if they confess and turn the other person in, they will receive a lighter sentence. If they both confess, they will be each be sentenced to 30years. If neither confesses, they will each receive a 20-year sentence. If only one confesses, the confessor will receive data-custom-editor="chemistry" 15years and the one who stayed silent will receive 35years. Table 10.7below represents the choices available to Jane and Bill. If Jane trusts Bill to stay silent, what should she do? If Jane thinks that Bill will confess, what should she do? Does Jane have a dominant strategy? Does Bill have a dominant strategy? A = Confess; B = Stay Silent. (Each results entry lists Jane’s sentence first (in years), and Bill's sentence second.)

Mary and Raj are the only two growers who provide organically grown corn to a local grocery store. They know that if they cooperated and produced less corn, they could raise the price of the corn. If they work independently, they will each earn \(100. If they decide to work together and both lower their output, they can each earn \)150. If one person lowers output and the other does not, the person who lowers output will earn \(0and the other person will capture the entire market and will earn \)200. Table 10.6represents the choices available to Mary and Raj. What is the best choice for Raj if he is sure that Mary will cooperate? If Mary thinks Raj will cheat, what should Mary do and why? What is the prisoner’s dilemma result? What is the preferred choice if they could ensure cooperation? A = Work independently; B = Cooperate and Lower Output. (Each results entry lists Raj’s earnings first, and Mary's earnings second.)

RAJ MARY
(A) (B)
(\(100,\)100) (\(200,\)0)
(\(0,\)200) (\(150,\)150)

Continuing with the scenario in question 1, in the long run, the positive economic profits that the monopolistic competitor earns will attract a response either from existing firms in the industry or firms outside. As those firms capture the original firm’s profit, what will happen to the original firm’s profit-maximizing price and output levels?

Continuing with the scenario in question 1, in the long run, the positive economic profits that the monopolistic

competitor earns will attract a response either from existing firms in the industry or firms outside. As those firms capture the original firm’s profit, what will happen to the original firm’s profit-maximizing price and output levels?

Make a case for why monopolistically competitive industries never reach long-run equilibrium.

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