1 An economy shows the following features:

Consumption C = 50 + 0.9Y(Y-T)

Tax Revenue T =100

Investment I= 150-5i

GOVT Expenditure G =100

Money Demand Md=0.2Y-10i

Money Supply Ms=100

Exports EX=20

Imports IM =10+0.1Y

1 Find IS

2 Find LM

3 Find Y, equilibrium income

4 Find I, the rate of interest at equilibrium

2 The following MACRO data are given for an economy:

Consumption C =40+0.75Y

Investment I = 140 -10i

GOVT Expenditure G =100

TAX, LUMP SUM TAX T = 80

Money Demand Md=0.2Y-5i

Money Supply Ms=85

1 Find IS

2 Find LM

3 Find Y, equilibrium income

4 Find I, the rate of interest at equilibrium

3 The following MACRO aggregates for an economy are given as follows:

Consumption C = 60 +0.8Yd Yd= Y-T+TR

Investment I = 100-5i

Interest Rate (%) i=6

GOVT Expenditure G = 76

TAX, LUMP SUM TAX T=15

Transfer Payments TR = 60

Exports EX=70

Imports IM=12+0.2Y

1 Find IS

2 Find LM

3 Find Y, equilibrium income

4 Find I, the rate of interest at equilibrium