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]
Whci of the following statemfo, lrv69ilf0m43pa f o5)d dcents correctly describe the circu aqwwe d) -e11wb59rhklar flow of income mo -ke)q 1rb1da5ewwh w9del?
I. Import spending is a leakage; export revenue is an injection
II. Investment spending is an injection; saving is a leakage
III. Wages are the income of labour as a factor of production
IV. Interest is the income of entrepreneurship as a factor of production
A. I only
B. I and II only
C. I, II, and III only
D. I, II and IV only
参考答案: C
本题详细解析:
C Statement I is true: import spending is money that flows out of the circular flow to other countries. Export revenue is money that flows into the circular flow from other countries Statement II is true: investment spending is money that flows into the circular flow from the banking sector. Saving is money that flows out of the circular flow to the banking sector Statement III is true: workers receive wages as the income for their labour Statement IV is not true: interest is the income for capital as a factor of production. Profit is the income for entrepreneurship
| 
