题目内容

下列哪项与失业金的给付期无关()。

A. 失业者年龄
B. 缴费年限
C. 失业率
D. 失业者失业前收入
E. 失业时间

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阐述失业保险的基本要素由哪些项目构成?

[单选]Competitive markets are characterized by

A. a small number of buyers and sellers.
B. unique products.
C. the interdependence of firms.
D. free entry and exit by firms.

[单选]For a firm operating in a competitive industry, which of the following statements is not correct?

A. Price equals average revenue.
B. Price equals marginal revenue.
C. Total revenue is constant.
D. Marginal revenue is constant.

[单选]Suppose that in a competitive market the equilibrium price is $2.50. What is marginal revenue for the last unit sold by the typical firm in this market?

A. less than $2.50
B. more than $2.50
C. exactly $2.50
D. The marginal revenue cannot be determined without knowing the actual quantity sold by the typical firm.

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