A firm setting a two-part tariff with only one customer should set the entry fee equal to

Marginal social cost

A) is the additional cost to the consumer of consuming another unit of a good. B) is equal to price times quantity sold. C) decreases as more of a good is produced and, hence, is depicted by a downward sloping curve. D) is the opportunity cost of producing one more unit of a good and, hence, is the same as the supply curve.

A game in which all the players are worse off at the end of the game is a

A) negative-sum game. B) dominant strategy game. C) positive-sum game. D) noncooperative game.