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