What is ‘effective demand’? How will you derive the autonomous expenditure multiplier when price of final goods and the rate of interest are given?
Effective demand refers to a situation in which equilibrium output is determined solely by the level of aggregate demand. This is because of the assumption that the supply is infinitely elastic and if there exists any inequality between the Aggregate Demand (AD) and the Aggregate Supply (AS), then the equilibrium output will only be influenced by AD. The concept of effective demand can be explained:
The x-axis represents income/output level and y-axis represents the level of aggregate demand. E is the equilibrium point where the two curves AS and AD meet. EG is the effective demand and output level is determined by AD (assuming the elasticity of supply to be perfectly elastic).
Autonomous expenditure multiplier is derived as
Y = AD (at equilibrium)
Y = A + cY [Where AD = A + cY]
Y - cY = A
Y (1 - c) = A
Where
A = Autonomous expenditure
c = MPC
Y = level of income
= autonomous expenditure multiplier
So, the autonomous expenditure multiplier is dependent on the income and MPC.
What is the difference between ex ante investment and ex post investment?
Explain ‘Paradox of Thrift’.
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?
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.
Are the concepts of demand for domestic goods and domestic demand for goods the same?
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.
Calculate the open economy multiplier with proportional taxes, T = tY, instead of lump-sum taxes as assumed in the text.
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.
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?
How is the exchange rate determined under a flexible exchange rate regime?
Should a current account deficit be a cause for alarm? Explain.
‘The fiscal deficit gives the borrowing requirement of the government’. Elucidate.
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.