IB Economics Unit 1.1: What is Economics? Scarcity Choice and the PPC (id: 9e15d

本题目来源于试卷: IB Economics Unit 1.1: What is Economics? Scarcity Choice and the PPC，类别为 IB经济学

[单选题]

Referring to the PPCs above, identify the factors that would cause the changes illustrated in Figure 1 and Figure 2.

	Figure 1	Figure 2
A.	an increase in the quantity of resources	an increase in the quality of resources
B.	an increase in the quality of resources	an increase in the quantity of resources
C.	an increase in the quality of resources	a reduction in unemployment
D.	a reduction in unemploymen	an increase in the quantity of resources

A.
B.
C.
D.


参考答案:  C


本题详细解析:
C

A shift of the PPC outwards is caused by an increase in the quantity of resources or an improvement in the quality of resources. A movement from one point inside the PPC (Point $�$) to a point closer to the PPC (Point $�$) is caused by reductions in unemployment or improvements in efficiency.

Choices A and B incorrectly attribute the causes of change in Figure 2.

Choice D mixes the causes of the changes in Figure 1 and 2.

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