Answer to Question #219702 in Macroeconomics for Romeo

Question

1

YEAR 1 (R-Billion) YEAR 2 (R-Billion)

Investment 200 220

Saving 180 190

Export 100 110

Imports 120 140

Government Expenditure 150 160

Taxation 150 160

Equilibrium National Income 1 800 2 000

(a)    Calculate the value of the multiplier for this economy.

(b)   Should the full employment level of income be R-B2 255, by how much should government change its spending to reach this level of income during the next year given the multiplier has not changed.

(c)    Evaluate whether or not this policy approach is effective in real life in achieving the desired level of GDP.

Answer 1

(a) the value of the multiplier is given by the ratio of national income to government spending.

$=\frac{1800}{150}$

$=12.$

Thus the value of the multiplier is $12\times$.

(b)

Given the level of income =2255

value of multiplier =$12\times$

Government spending will change by a value x given by:

$x=\frac{2255}{12}$

= 187.9

Government spending should be increased to 187.9 to reach the given level of income R-B 2255.

(c)

This policy is effective in achieving the desired level of GDP. This is because it involves the relation of equilibrium national level of income to government expenditure directly.