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Consider the following contribution to public good as a prisoner's dilemma with the payoff matrix:



Person B
Do not contribute Contribute
Person A Do not contribute

A pays $0, receives $0, net gain $0

B pays $0, receives $0, net gain $0

A pays $0, receives $15, net gain $15

B pays $20, receives $15, net gain $-5

Contribute

A pays $20, receives $15, net gain $-5

B pays $0, receives $15, net gain $15

A pays $20, receives $30, net gain $10

B pays $20, receives $30, net gain $10



What is the dominant strategy for player A?

What is the dominant strategy for player B?

What is the Nash Equilibrium in this situation?


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