An increase in demand, all other things unchanged, will result in a(n) ________ in the equilibrium price and a(n) ________ in the equilibrium quantity.

If opportunity costs are ________, the production possibilities frontier would be graphed as a negatively sloped straight line

A) increasing B) constant C) decreasing D) negative

The tendency of the prices of identical baskets of goods across countries to converge: a. Is weaker to the extent the countries compared have substantial tariffs on imported goods. b. Is weaker to the extent the countries compared have limiting quotas on imported goods. c. Is weaker for goods and services not traded internationally

d. All of the above are true.