Question

Given an economy described by the following set of equations.

Y = C(Y - T) + I(r) + G

C = 200 + 0.80(Y - T)

I = 300 - 2r

G = 400

T = 200

(M/P)d = 0.80Y - 8r

Ms = 5,600

Price-level = P = 2

What is the equilibrium level of investment?

Answer #1

Given an economy described by the following set of
equations.
Y = C(Y - T) + I(r) + G
C = 200 + 0.80(Y - T)
I = 300 - 2r
G = 400
T = 200
(M/P)d = 0.80Y - 8r
Ms = 5,600
Price-level = P = 2
What is the equilibrium level of GDP?

Given an economy described by the following set of
equations.
Y = C(Y - T) + I(r) + G
C = 200 + 0.80(Y - T)
I = 300 - 2r
G = 400
T = 200
(M/P)d = 0.80Y - 8r
Ms = 5,600
Price-level = P = 2
What is the equilibrium level of consumption?

Given an economy described by the following set of
equations.
Y = C(Y - T) + I(r) + G
C = 200 + 0.80(Y - T)
I = 300 - 2r
G = 400
T = 200
(M/P)d = 0.80Y - 8r
Ms = 5,600
Price-level = P = 2
What is the equilibrium level of consumption?

An economy is initially described by the following
equations:
C = 500 + 0.75(Y - T); I = 1000 - 50r; M/P = Y - 200r;
G = 1000; T = 1000; M = 6000; P = 2;
where Y is income, C is consumption, I is investment, G is
government spending, T is taxes, r is the
real interest rate, M is the money supply, and P is the price
level.
a. Derive the IS equation and the LM...

3. Using the following information about the current
economy:
C = 130 + 0.80(Y-T) where: C: consumption, Y: output
I = 680 -1200r T: taxes, I: Investment, r: real interest rate
T = 70 G: government
G = 110
(M/P) d = 0.6Y – 960r where: (M/P) d : money demand
Ms = 2364 Ms: money supply
P = 1.0 P: price level
(You must show the steps to derive these answers.)
a. Derive the equation for the IS curve...

Consider an economy that is described by the following
equations: C^d= 300+0.75(Y-T)-300r T= 100+0.2Y I^d= 200-200r
L=0.5Y-500i Y=2500; G=600; M=133,200; Pi^e=0.05. (Pi being the
actual greek pi letter sign). Please solve part D and E
(a) obtain the equation of the IS curve
(b) obtain the equation of the LM curve for a general price
level, P
(c) assume that the economy is initially in a long-run (or
general) equilibrium (i.e. Y=Y). Solve for the real interest rate
r, and...

1. Consider an economy with the given equations.
Y=C+I+GY=C+I+G
C=112+0.6(Y−T)C=112+0.6(Y−T)
I=120−10rI=120−10r
(MP)d=Y−15r(MP)d=Y−15r
G=$35G=$35
T=$45T=$45
M=$1200M=$1200
P=3.0
a. Use the relevant set of equations to derive the IS curve and
graph it.
b. What is the equation for the IS curve?
Y =
c. Use the relevant set of equations to derive
the LM curve.
d. Calculate the equilibrium level of income (Y) and
the equilibrium interest rate (r).
Y=
r (%)=
e. Use the relevant set of equations to derive...

The US economy is represented by the following equations:
Z=C+I+G, C=300+.5YD, YD =Y T T =400, I =250, G=1000 Given the above
variables, calculate the equilibrium level of output. Now assume
that consumer confidence increases causing a rise in autonomous
consumption (c0) from 300 to 500. What is the new equilibrium level
of output? How much does income change as a result of this event?
What is the multiplier for this economy?

An economy is described by the following equations:
C = 100 + 0.75(Y – T)
IP = 50
G = 150
NX = 20
T = 40
What is the marginal propensity to consume (MPC) in this
economy?
Find the autonomous expenditure (the part of PAE that does not
depend on Y)
What is the equilibrium level of output?
Assume that the economy is NOT in equilibrium, and the level of
output is Y=1,200. How much is planned spending (PAE)?...

Assume the following equations summarize the structure of an
economy.
C = Ca + 0.7(Y - T)
Ca = 1,000 - 10r
T = 100 + 0.15Y
(M/P)d = 0.3Y - 20r
MS/P = 3,000
Ip = 3,500 - 20r
G = 3,000
NX = 2,000 - 0.4Y
a. Calculate the equilibrium real output (Y) and (r ).
b. Given the above information, compute the new equilibrium real
output if government spending increases by 300.
c. What is the amount...

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