以上是我所学烂英文教材的作业，后面的给的参考答案很不确切，总之题目出得变态，看了教材和其他好几本经典教材都得不到答案，很让人头疼，希望有高手赐教。

TABLE　　　　

In the following table, there are examples of the growth rate of various countries over nine years下面给出一图表，给出9年内4国几年的（经济）增长比率。　　

Country 1994 1995 1996 1997 1998 1999 　　

United Kingdom 4.7 2.9 2.6 3.4 3.0 2.1 　　

United States 4.0 2.7 3.6 4.4 4.3 4.1 　　

Bulgaria 1.8 2.1 -9.4 -5.6 4.0 2.3 　　

Switzerland 0.3 0.6 0.3 1.7 2.4 1.6 　　　　

Question 　 问题：　　 　　　　

(a) Explain at least three difficulties encountered in measuring the National Income of a country.　

a)给出至少三项一国在计量国民收入时遇到的问题。　　　　

(b) Explain (using at least three reasons) why it is difficult to compare the growth rates of the countries in the table above.

b)解释为何很难用上表比较各国经济增长（至少运用三项理由说明）　　　

　

(c) Explain how the multiplier effect could substantially raise the level of National Income.　　

c)说明乘数理论如何促使NI增长　　　　

(d) Explain the difference between real and nominal growth using the table above.　　

d)运用上表解释实际和名义（GDP）增长的不同　　　　

(a) Any three from the following:

Errors/omissions from the data gathered.

Black economy.

Non-recorded items, eg DIY, housework, barter.

Transfer income.

Double counting.

(b) Methods may change over time.

Accuracy of figures.

Inflation adjustments.

Social conditions.

Work conditions.

Unequal distribution of income.

Spending patterns, eg defence.

(c) Explanation of multiplier either in words or through use of algebra.

Explanation should show that an initial injection to National Income results in a larger level of NI than the original injection.

Propensity to save and consume.

(d) An explanation of the difference between real and nominal growth, identifying that in real terms inflation is taken into account. In 1998 the growth rate is shown as 3%. If this figure is the nominal rate and inflation is measured at 3.1%, then there is no real growth in the economy.

Any similar example will suffice.