C) productively efficient
D) allocatively efficient
Which of the following statements is true?
A) An increase in demand causes an increase in equilibrium price; the increase in price
causes supply to increase.
B) A decrease in supply causes equilibrium price to rise; the increase in price then
results in a decrease in quantity demanded.
C) If both demand and supply decrease, there must be a decrease in equilibrium price;
equilibrium quantity may either increase or decrease.
D) If demand increases and supply decreases one cannot determine if equilibrium price
will increase or decrease without knowing which change is greater.
An increase in investment causes the price level to ________ in the short run and
________ in the long run.
A) increase; increase further
B) increase; decrease
C) decrease; decrease further
D) decrease; increase