本题目来源于试卷: IB Economics Unit 3.2: Macroeconomics - Macroeconomic Objectives，类别为 IB经济学
[单选题]
Based on the Production Possibilities Curves (PPCs) above, which of the following statements are true?
I. Figure 1 illustrates long-term economic growth or growth in production possibilities
II. Figure 2 illustrates short-term growth or growth in actual output
III.Figure 1 shows growth caused by an increase in quantity of resources
IV. Figure 2 shows growth caused by an increase in quality of resources
A. I and II only
B. I and IV only
C. I, II, and III only
D. I, III and IV only
参考答案: C
本题详细解析:
Statement I is correct: an outwpco(.oeg ztc-m;4c7 ai0 qrm:ard shift of the PPC illustrates long-term growth or growth in producz;mp :c7ia-0 mrqotec.4(ogction possibilities.
Statement II is correct: a movement closer to an existing PPC shows short-term growth, or growth in actual output.
Statement III is correct: an outward shift of the PPC occurs if the quantity of resources increases.
Statement IV is incorrect: an increase in the quality of resources shifts the PPC outward.
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