--%>

Explain Tax rate increase.

A change in tax rate changes the IS equation, LM equation remaining the same. Let same, let us suppose that the government raises the tax rate from 20 percent to 25 percent. The rise in tax rate from t = 0.20 to t = 0.25 would change the IS equation by changing the consumption function with increase in tax rate, the consumption function changes form C = 100 + 100 + 0.60 Y, given in Eq. to 

C= 100 + 0.75 [Y - (40 + 0.25Y + 40)]

= 100 + 0.5625Y


With change in the consumption function, the new IS schedule (say, IS2) can be obtained as follows. 

IS2 schedule: 

Y = C + I + G + ?G

= 100 + 0.5625Y + 250 - 4i +200

= 1257.14 - 9.14i


Given the new IS function (IS2) in Eq. the new equilibrium interest rate can be worked out as follows.

Is2 = LM

1257.14 - 9.14i = 800 + 80i

89.14i = 457.14

I = 5.13 (percent)

Once interest rate is known equilibrium income with tax effect can be computed by substituting the interest rate (5.13%) into the IS2 or LM equation. By using IS2 function, we get

Y = 1257.14 - 9.14i = 1257.14 - 9.14 (5.13)

The negative effect of increase in tax rate on the equilibrium income equals income before tax - rise less income after tax-rise that is

Tax effect = $1311.10 bn - $1210.25 bn

$100.85 billion

This calculation shows that increasing tax rate form t = 0.20 to I = 0.25 decreases equilibrium income by $100.85 billion

   Related Questions in Macroeconomics

  • Q : Opportunity costs of consumption

    Individuals maximize the satisfaction whenever the marginal utilities of all goods are: (i) Precisely proportional to the consumer’s income. (ii) Maximized. (iii) Precisely proportional to the opportunity costs of consuming them. (iv) Equivalent

  • Q : Help If the price of K declines, the

    If the price of K declines, the demand curve for the complementary project J will:

  • Q : Limitations of using GDP as an index of

    What are the limitations of using GDP as an index of welfare of a country?A) The N.I. figures provide no indication of the population, skill and resource of the country. Thus the levels of welfare stay low.B) A higher N.I. migh

  • Q : Define Price What do you understand by

    What do you understand by the term Price (P) at Market in Economy?

  • Q : When Macroeconomic theory least related

    Macroeconomic theory would be least related in analyzing the results of: (w) optional ways of funding deficits in international trade. (x) U.S. federal budget deficits. (y) consumer items purchased through middle-income families. (z) deficit spending through the United Nations.

  • Q : Help The demand for a resource will

    The demand for a resource will increase if the

  • Q : Domestic Investment & Economies

    Question: How will a fall in domestic investment affect the trade surplus and net capital outflows in the domestic economy, the trade deficit and capital inflows in the rest of the world, investment in both economi

  • Q : Difference between

    Elucidate the differences among the frictional, structural, and cyclical forms of unemployment.

  • Q : Creation of assets or reduction of

    Illustrate which budget expenses does not result in the creation of assets or reduction of liability. Give illustrations too.

  • Q : How prices allocate resources How

    How prices allocate resources?