Class 12 Macro Economics - Chapter Determination of Income and Employment NCERT Solutions | What is ‘effective demand’?

Explain ‘Paradox of Thrift’.

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

Measure the level of ex-ante aggregate demand when autonomous investment and consumption expenditure (A) is Rs 50 crores, and MPS is 0.2 and level of income (Y) is Rs 4000 crores. State whether the economy is in equilibrium or not (cite reasons).

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?

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.

Differentiate between balance of trade and current account balance.

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?

Distinguish between revenue expenditure and capital expenditure.

What are official reserve transactions? Explain their importance in the balance of payments.

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?

Discuss some of the exchange rate arrangements that countries have entered into to bring about stability in their external accounts.

Explain the automatic mechanism by which BoP equilibrium was achieved under the gold standard.

Distinguish between stock and flow. Between net investment and capital which is a stock and which is a flow? Compare net investment and capital with flow of water into a tank.

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.

Distinguish between revenue expenditure and capital expenditure.

Define budget deficit and trade deficit. The excess of private investment over saving of a country in a particular year was Rs 2,000 crores. The amount of budget deficit was ( – ) Rs 1,500 crores. What was the volume of trade deficit of that country?

Suppose that for a particular economy, investment is equal to 200, government purchases are 150, net taxes (that is lump-sum taxes minus transfers) is 100 and consumption is given by C = 100 + 0.75Y (a) What is the level of equilibrium income? (b) Calculate the value of the government expenditure multiplier and the tax multiplier. (c) If government expenditure increases by 200, find the change in equilibrium income.

Suppose the GDP at market price of a country in a particular year was Rs 1,100 crores. Net Factor Income from Abroad was Rs 100 crores. The value of Indirect taxes – Subsidies was Rs 150 crores and National Income was Rs 850 crores. Calculate the aggregate value of 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?

What is money multiplier? What determines the value of this multiplier?