please help me on these

1.

Which of the following would be a Nash equilibrium for the following game? Player B Buy Don't Buy Buy 50, 50 0, 100 Player A Don't Buy 100, 0 20, 20 O Either play A buying and player B not or player A not buying and player B buying. Both players buying ONeither player buying Player A not buying and player B buying. O Player B not buying and player A buying.Which of the following would be a Nash equilibrium for the following game? Player B Buy Don't Buy Buy 100, 100 50, 200 Player A Don't Buy 200, 50 0,0 *Player A's payoffs are first, then Player B Both players buying Player A not buying and player B buying. Player B not buying and player A buying. Neither player buying Either play A buying and player B not or player A not buying and player B buying.Which of the following would be a solution to the under provision of a public good? The person with the highest value for the good providing it. O A monopoly providing the good. The private market competitively providing the good. O A democratic vote. Full government provision of the good.Two roommates are considering buying a TV. The TV costs $250. Roommate A values the TV at $100 and Roommate B at $200. Which of the following statements are true? O It would not be efficient to buy the TV so no one should pay. O It would be efficient to buy the TV and Roommate A should pay for the TV. () It would be efficient to buy the TV and Roommate B should pay for the TV. O It would be efficient to buy the TV and the efficient solution requires just that Roommate A doesn't pay more than $100 and Roommate B doesn't pay more than $200. ()It would be efficient to buy the TV and the only efficient solution would be Roommate B paying 2/3 of the cost of the TV