Under a fixed exchange rate system, a central bank's intervention in the foreign exchange market will not affect the domestic money supply

Rebecca can stitch 6 shirts in a day while Eliza can stitch only 5 shirts in a day. Rebecca can stitch 2 trousers in a day while Eliza can stitch 3 trousers in a day. Which of the following is true in this case?

A) Rebecca has a comparative advantage in stitching trousers. B) Eliza has an absolute advantage in stitching trousers. C) Rebecca has an absolute advantage in stitching trousers. D) Eliza has a comparative advantage in stitching shirts.

The prisoners' dilemma is an important game to study because

a. most games present zero-sum alternatives. b. it identifies the fundamental difficulty in maintaining cooperative agreements. c. strategic decisions faced by prisoners are identical to those faced by firms engaged in competitive agreements. d. all interactions among firms are represented by this game.