What are the costs of capital mobility?

In repeated games, all of the following allow a firm to escape an inefficient "prisoners dilemma" equilibrium except

a. Be nice, don't strike first b. Respond immediately to non-cooperation c. Punish competitors as much as you can d. Make sure your competitors can easily interpret your actions

Which of the following does not describe a pure market economy? a. The choices of buyers and sellers determine the market prices of goods and services. b. Prices serve as signals to buyers and sellers

c. Prices and outputs of most goods and services are stable over time. d. Owners of resources in greater demand by others tend to have higher incomes.