Class 12 Macro Economics - Chapter Open Economy Macroeconomics NCERT Solutions | What are official reserve transactions?

Differentiate between devaluation and depreciation.

Suppose C = 40 + 0.8Y D, T = 50, I = 60, G = 40, X = 90, M = 50 + 0.05Y

(a) Find equilibrium income. (b) Find the net export balance at equilibrium income (c) What happens to equilibrium income and the net export balance when the government purchases increase from 40 and 50?

Suppose the exchange rate between the Rupee and the dollar was Rs. 30=1$ in the year 2010. Suppose the prices have doubled in India over 20 years while they have remained fixed in USA. What, according to the purchasing power parity theory will be the exchange rate between dollar and rupee in the year 2030.

Would the central bank need to intervene in a managed floating system? Explain why.

Distinguish between the nominal exchange rate and the real exchange rate. If you were to decide whether to buy domestic goods or foreign goods, which rate would be more relevant? Explain.

Suppose C = 100 + 0.75Y D, I = 500, G = 750, taxes are 20 per cent of income, X = 150, M = 100 + 0.2Y . Calculate equilibrium income, the budget deficit or surplus and the trade deficit or surplus.

How is the exchange rate determined under a flexible exchange rate regime?

Should a current account deficit be a cause for alarm? Explain.

Differentiate between balance of trade and current account balance.

What is the marginal propensity to import when M = 60 + 0.06Y? What is the relationship between the marginal propensity to import and the aggregate demand function?

What is marginal propensity to consume? How is it related to marginal propensity to save?

Explain why public goods must be provided by the government.

What are the four factors of production and what are the remunerations to each of these called?

What is a barter system? What are its drawbacks?

What is the difference between microeconomics and macroeconomics?

What is the difference between ex ante investment and ex post investment?

Distinguish between revenue expenditure and capital expenditure.

Why should the aggregate final expenditure of an economy be equal to the aggregate factor payments? Explain.

What are the main functions of money? How does money overcome the shortcomings of a barter system?

What are the important features of a capitalist economy?

What do you understand by ‘parametric shift of a line’? How does a line shift when its (i) slope decreases, and (ii) its intercept increases?

Explain the relation between government deficit and government debt.

From the following data, calculate Personal Income and Personal Disposable Income.
                                                                               Rs (crore)
(a) Net Domestic Product at factor cost                    8,000
(b) Net Factor Income from abroad                              200
(c) Undisbursed Profit                                                1,000
(d) Corporate Tax                                                         500
(e) Interest Received by Households                         1,500
(f) Interest Paid by Households                                  1,200
(g) Transfer Income                                                       300
(h) Personal Tax                                                            500

Explain ‘Paradox of Thrift’.

Why should the aggregate final expenditure of an economy be equal to the aggregate factor payments? Explain.

Explain why the tax multiplier is smaller in absolute value than the government expenditure multiplier.

Write down some of the limitations of using GDP as an index of welfare of a country.

In a single day Raju, the barber, collects Rs 500 from haircuts; over this day, his equipment depreciates in value by Rs 50. Of the remaining Rs 450, Raju pays sales tax worth Rs 30, takes home Rs 200 and retains Rs 220 for improvement and buying of new equipment. He further pays Rs 20 as income tax from his income. Based on this information, complete Raju’s contribution to the following measures of income (a) Gross Domestic Product (b) NNP at market price (c) NNP at factor cost (d) Personal income (e) Personal disposable income.

What are the main functions of money? How does money overcome the shortcomings of a barter system?

Suppose marginal propensity to consume is 0.75 and there is a 20 per cent proportional income tax. Find the change in equilibrium income for the following (a) Government purchases increase by 20 (b) Transfers decrease by 20.