The above figure shows the marginal benefits and marginal costs of a college education. If colleges receive a $5,000 subsidy, then enrollment equals

If a nation during its entire history has borrowed more from the rest of the world than it has lent to the rest of the world, the country is a

A) net borrower. B) debtor nation. C) net lender. D) creditor nation.

With reference to the difference between a change in demand and a change in quantity demanded, which of the following is TRUE?

A) If a good's price goes down, then demand for the good will decrease. B) If a good's price goes down, then quantity demanded will increase. C) If demand increases, then the demand curve will shift to the left. D) If price rises and quantity demanded decreases, then the demand curve will shift to the left.