Exhibit 2-7
Which of the following statements is true?
a. Points B and D are more efficient than points A and C.
b. If the economy’s PPF is represented by PPF1, points A and B are productive efficient,
while C and D are unattainable.
c. If the economy’s PPF is represented by PPF2, points C and D are productive efficient,
while A and B are unattainable.
d. both a and c
Oil producers expect that oil prices next year will be higher than oil prices this year. As
a result, oil producers are most likely to
a. place more oil on the market this year, thus shifting the present supply curve of oil
rightward.
b. hold some oil off the market this year, thus shifting the present supply curve of oil
leftward.