A-Level经济真题每期一练（46）

上期真题答案：1.C 2.A 3.D 4.B 5.C

接下来是今天的真题，一起练起来呀~

1.The diagram represents a market for a good, in which the equilibrium price is OU.

A maximum price of OV is imposed by the government.

What effect does this have on consumer surplus?

A It decreases by area VXYU.

B It increases by area WXV.

C It increases by area XYZ.

D It is not affected.

2.The table below indicates various types of market failure, the consequence of each of these failures and examples of possible intervention.

A Situation A

B Situation B

C Situation C

D Situation D

3.

The diagram shows the operation of a buffer stock scheme in the barley market where a government agency intervenes to ensure the price remains between P1 and P2. (You may annotate the diagram in your answer.) The 2013 harvest led to

A an excess demand for barley

B the government agency selling barley from its stockpile

C price increasing to P2

D the government agency buying barley and adding to its stockpile

5.In the diagram, D is the demand curve of an agricultural commodity and S1 is the initial supply curve

The government introduces a buffer scheme to maintain farm incomes at their initial level. What quantity would the government need to buy from the farmers to add to the buffer stock if a bumper harvest causes the supply curve to move to S2?

A .1000 tonnes  

B .2000 tonnes 

C .3000 tonnes 

D .4000 tonnes