________ exists because unlimited wants exceed the limited resources available to fulfill those wants

A researcher finds that for an economy, the nominal GDP in the year 2012 equals the nominal GDP in the year 2013. He also finds that the output of the economy has been the same over the two years. A situation like this is possible only if:

A) the annual inflation rate in the economy is negative. B) the annual interest rate in the economy is negative. C) the annual interest rate in the economy is zero percent. D) the annual inflation rate in the economy is zero percent.

Refer to the payoffs in the table above. Sears and Wal-Mart must decide whether to lower their prices based on the profits shown in the table. This game has

A) no Nash equilibrium. B) a Nash equilibrium: Sears keeps its prices high and Wal-Mart lowers its prices. C) a Nash equilibrium: both Sears and Wal-Mart keep prices high. D) a Nash equilibrium: both Sears and Wal-Mart lower prices.