Consider two workers 1 and 2 who simultaneously must choose between working on two projects, labelled A and B. The payoffs are as follows. If both 1 and 2 choose project A each worker gets 0. Similarly, if both workers choose B each gets 0. If worker 1 chooses B and worker 2 chooses A, each gets 10 and 3 (for worker 1 and 2) respectively. Finally, if 1 opts for A and worker 2 opts for B the payoffs to worker 1 and 2 are 8 and 7, respectively. a. What are the Nash equilibria of the game? Is this game a realistic one for an organisation? Explain your answer. What might an organisation do if it found itself in a situation similar to the one represented by this game. b. Now allow the game to be played sequentially. That is, allow worker 1 to make her choice first between projects A and B. Then, worker 1 choice is observed by worker 2 who then makes his choice. What are the subgame perfect equilibria of the game? Provide some intuition for your result. What does your answer say about the Coase theorem?
Question
Consider two workers 1 and 2 who simultaneously must choose between working on two projects, labelled A and B. The payoffs are as follows. If both 1 and 2 choose project A each worker gets 0. Similarly, if both workers choose B each gets 0. If worker 1 chooses B and worker 2 chooses A, each gets 10 and 3 (for worker 1 and 2) respectively. Finally, if 1 opts for A and worker 2 opts for B the payoffs to worker 1 and 2 are 8 and 7, respectively. a. What are the Nash equilibria of the game? Is this game a realistic one for an organisation? Explain your answer. What might an organisation do if it found itself in a situation similar to the one represented by this game. b. Now allow the game to be played sequentially. That is, allow worker 1 to make her choice first between projects A and B. Then, worker 1 choice is observed by worker 2 who then makes his choice. What are the subgame perfect equilibria of the game? Provide some intuition for your result. What does your answer say about the Coase theorem?
Solution
a. The Nash equilibria of the game are the situations where no player can benefit from changing their strategy, assuming the other player keeps their strategy unchanged. In this case, the Nash equilibria are (B, A) and (A, B). In (B, A), worker 1 chooses B and worker 2 chooses A, resulting in payoffs of 10 and 3 respectively. In (A, B), worker 1 chooses A and worker 2 chooses B, resulting in payoffs of 8 and 7 respectively.
This game could be seen as realistic for an organisation where two workers have to choose between two projects, and the payoff depends on the combination of choices. However, it's not entirely realistic because in real life, communication and cooperation between workers could lead to a mutually beneficial outcome.
If an organisation found itself in a similar situation, it could encourage communication and cooperation between the workers, or assign the projects to the workers based on their skills and the needs of the projects.
b. If the game is played sequentially, the subgame perfect equilibria would be (B, A). This is because worker 1, knowing that worker 2 will observe their choice and act accordingly, will choose B to maximize their own payoff. Then, worker 2, observing that worker 1 has chosen B, will choose A to maximize their own payoff.
This result provides some intuition for the Coase theorem, which states that if trade in an externality is possible and there are no transaction costs, bargaining will lead to an efficient outcome regardless of the initial allocation of property rights. In this case, the efficient outcome is reached through sequential decision-making, with each worker choosing the project that maximizes their payoff given the other worker's choice.
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