The consumption possibilities curve is the

Which of the following conditions, if present, is sufficient to make a game cooperative?

A) Individual payoffs are greater if all players choose the same strategy. B) Players can communicate with each other. C) Players can negotiate binding contracts committing them to particular strategies. D) Players must agree unanimously on any set of strategies. E) The payoff that is highest for all individuals together is also highest for each individual player.

A country reported a nominal GDP of $85 billion in 2010 and $100 billion in 2009. It also reported a GDP deflator of 100 in 2010 and 105 in 2009. Between 2009 and 2010,

a. real output and the price level both rose. b. real output rose and the price level fell. c. real output fell and the price level rose. d. real output and the price level both fell.