Describe the prisoner's dilemma

Player 2 Middle Left P1: $45 P1: $70 Up P2: $45 P2: $50 Player 1 P1: $50 P1: $60 Middle P2: $50 P2: $60 P1: $60 P1: $50 Down P2: $60 P2: $70 In the game shown above, list all of the Nash Equilibrium (please check ALL that apply) (up, left) (up, middle) (up, right) (middle, left) (middle, middle) (middle, right) (down, left) (down, middle) (down, right) No equilibrium Right P1: $45 P2: $60 P1: $50 P2: $70 P1: $60 P2: $60

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The author describes the case of the "Prisoner's Dilemma" to demonstrate which of the following?   Competition and the pursuit of unfettered self-interest result in greater efficiency, and benefits everyone involved equally.     Effective policy can place incentives in such a manner that the very pursuit of unfettered self-interest of the prisoners results in the desired outcome of getting both to confess to the crime.     Just as in the case of the prisoner's dilemma, the pursuit of unfettered self-interest will cause the fishermen who fish Atlantic swordfish (a common resource) to harvest them wisely and limit the number of fish each fisherman catches. Thus the fishermen's ability to pursue unfettered self-interest will allow the population of swordfish to remain stable and even grow. The fishermen trust each other to behave responsibly and in the interest of the common good.