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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 $21, net gain $21

B pays $28, receives $21, net gain $-7

Contribute

A pays $28, receives $21, net gain $-7

B pays $0, receives $21, net gain $21

A pays $28, receives $42, net gain $14

B pays $28, receives $42, net gain $14



What is the dominant strategy for player A?

What is the dominant strategy for player B?

What is the Nash Equilibrium in this situation?