If the reserve requirement is 10 percent, a bank desires to hold no excess reserves, and it receives a new deposit of $500, it
a. must increase required reserves by $50.
b. will initially see reserves increase by $500.
c. will be able to use this deposit to make new loans amounting to $450.
d. all of the above are correct.

In which of the following games is it clearly the case that the cooperative outcome of the game is good for the two players and bad for society? a. two oil companies own adjacent oil fields over a common pool of oil, and each company decides whether to drill one well or two wells. b. two airlines dominate air travel between city a and city b, and each airline decides whether to charge a "high" airfare or a "low" airfare on flights between those two cities. c. two superpowers decide whether to build new weapons or to disarm. d. in all of the above cases, the cooperative outcome of the game is good for the two players and bad for society