Joshua consumes pizza and cola so that the marginal utility per dollar spent for the last piece of pizza consumed per week is 3 while the marginal utility per dollar spent for the last cola consumed is 1.5 . Joshua should spend more of his income on pizza and less on cola in order to maximize utility

Currency traders expect the dollar to depreciate. What impact will this have on equilibrium in the foreign exchange market?

A) The dollar will appreciate, and the equilibrium quantity of dollars will increase. B) The dollar will depreciate, and the equilibrium quantity of dollars exchanged will decrease. C) The dollar will appreciate, and the equilibrium quantity of dollars will decrease. D) The dollar will depreciate, and the change in the equilibrium quantity of dollars exchanged cannot be determined.

In a market economy:

a. collective decision-making is more important than individual decision-making. b. goods and services are distributed as if by an "invisible hand" to those who can not afford them. c. profit provides an incentive to be productive. d. the distribution of wealth is equitably distributed.