g The AD curve is the relationship between A. the quantity of real GDP demanded and the quantity of real GDP supplied. B. the quantity of real GDP demanded and the unemployment rate. C. aggregate planned expenditure and real GDP when the price level is fixed. D. aggregate planned expenditure and the price level. E. aggregate planned expenditure and the quantity of real GDP demanded.

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