只有答案没解析,有些地方想不通,还请大家帮忙呀!
1、Which one of the following is a normativeeconomic statement?
A. The government should spend more on the National Health Service
B. Building a new hospital has an opportunity cost
C. The government regards health care as a merit good
D. Some medicinal drugs are ineffective
答案是A,为什么?
2、Given a rise in real income, the demand curve for a normal goodwill, other things being equal:
A. Shift to the right, hence raising price
B. Shift to the right, only if price rises by less than real income
C. Shift to the left, hence lowering price
D. Shift to the right, causing an outward shift in the supply curve
答案选A,B、D错在哪?
3、Education is considered a merit good because:
A. It is provided by the government
B. It provides benefits which are unappreciated by its consumers
C. It would not be produced by private businesses
D. Private costs are greater than private benefits
答案选B,选项中的unappreciated怎么理解?
首先教育是有益品,也就是具有正外部性的商品,我只能排除A项,C项和题目相关吗?D项错在哪?
4、The table below shows the price and quantity for two goods X and Y.
Price of X Quantity of X demanded Quantity of Y demanded
£10 20 30
£9 24 42
The cross elasticityof demand for X with respect to Y when the price of good X falls from £10 to £9 is:
A. +4
B. +2
C. -2
D. -4
是-4/20÷1/10吗?答案是C
5、what might explain a simultaneous increase in both price and quantity traded in the market for a normal good?
A. The removal of an effective maximum price on the good
B. Technological progress in the production of the good
C. The imposition of a tax on the good
D. The granting of a subsidy to producers of the good
6、which of the following statements about price elasticity of supply is correct?
A. Elasticity of supply is normally negative rather than positive
B. Elasticity of supply is higher when stock levels are high
C. Elasticity of supply is lower the longer the time period involved
D. Elasticity of supply will be higher when existing resources are being fully utilised