A-Level经济真题每期一练(1)

发布于:2022-11-28 ⋅ 阅读:(686) ⋅ 点赞:(0)

想入经济学坑?但不清楚A-Level经济学科目是不是适合自己?

今天就来练一练A-Level经济学真题,看看它和你的匹适度有多高?

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1.  If a firm’s fixed costs increase by 20 percent, marginal costs will increase by:

A.zero

B.10%

C.20%

D.100%

E.200%.         

2. The table gives weekly information about the possible short run output, costs and revenue of a firm making military equipment. Some cells have been left blank for your own workings.

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Which level of weekly output would mean thatthe firm is sales maximising?

 A.1

 B.2

 C.3

 D.4

 E.5                          

3.  The diagram shows the market for university education.Assume there are no external costs. Which of the following is true?

cdcd082ce90b0fc4ffb75ea6f208a4a3.jpegA.The free market equilibrium quantity exceeds the social optimum quantity

B.There is market failure at quantity Qe

C.The triangle of welfare gain is XYV

D.The marginal external benefit remains constant at all quantities.    

4. In October 2011 Boeing’s 787 Dreamliner aircraft entered commercial operation. The firm announced that its fixed costsof development had been much higher than expected. Assuming the firm is profit maximising, what impact is an increase in fixed costs likely to have on output,price and profit?

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5. A firm cuts the price of its product. As a result, total revenue falls and marginal cost rises. Over this range of output, it can be inferred that:

A.the price elasticity of demand is relatively elastic and there are diseconomies of scale

B.the price elasticity of demand is relatively inelastic and there are diminishing returns to a variable factor of production

C.the price elasticity of demand is unitary and there are diseconomies of scale

D.the firm's marginal profit would increase

E.the firm is making a loss            


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