ECO102H1 Lecture Notes - Lecture 6: Open Economy, Government Budget Balance, Tax Rate

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Government budget balance: g = net tax revenue = t = ty. For every dollar of national income (y), the government collects ty (t = marginal tax rate) For simplicity, no lump-sum taxes (autonomous taxes: disposable income (yd) changes, in the simple model, yd = y, now, yd = y ty. Ae = c + i + g: c = c + mpcyd, yd = y ty, i = g. To solve for ae function: get consumption function in terms of y, not yd, add up consumer, investment and government spending to get the ae function. C = c + mpc[(1-t)y], wherec + mpc(1-t)y, i = g, ae = c + i + g+ mpc(1-t)y, ae = a + zy.

Related Questions

tealalligator726

Given the following information for the Macro Economy answer the following questions.

In this economy we have an MPC equal to 0.80, Autonomous Consumption of $600 billion, Planned Investment (I) of $1,000 billion, Government Spending (G) of $1,200 billion and Net Taxes (T) of $1,000 billion.

a) Fill in the missing data for: T, Yd, C, S, and AE (in that order in a table) for every level of Y given below (all the numbers are in billions).

Income (Y) Net Taxes (T) Disposable Income (Yd) Consumption (C) Savings (S) Aggregate Expenditures (AE)
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
10,000
11,000
12,000
13,000

b) Determine the Equilibrium level of Aggregate Income (Ye). Please state the reason for your answer.

c) Calculate the Spending Multiplier (show how you got your answer).

d) State in one sentence what your answer in (c) above tells us about any decrease in spending that takes place in the economy.

e) If this economy had a full employment level of income equal to $8,000 billion, what Macroeconomic condition is this economy experiencing.

f) Using the Spending Multiplier, determine the change in G that is needed to get this economy to be in equilibrium at full employment. Please show your work.

g) Using the Spending Multiplier, determine the change in T that is needed to get this economy to be in equilibrium at full employment. Please show your work.

cerisesnake32

The following is a model of a closed economy with nogovernment.
C = 44 + 0.6YD I = 12

where C = desired consumption expenditure (in billions of $), YD =disposable
income (in billions of $), and I = desired investment expenditure(in billions
of $).

a) What is autonomous C equal to?
b) What is induced C equal to if national income (Y) is 120?
c) What would happen to C if Y increased by 10?
d) What is the saving function equal to?
e) How can private saving (S) be negative? Explain.
f) What would happen to S if Y increased by 10?
g) At what level of Y is the average propensity to consume (APC)equal to 1?
h) How does the APC change as Y increases?
i) How does the average propensity to save (APS) change as Yincreases?
j) What is aggregate expenditure function equal to?
k) Is the economy in equilibrium when Y is 150? If no, then by howmuch are
the economyâs inventories changing?
l) What are the equilibrium levels of Y, C, S, and YD?
m) At equilibrium, what do the injections and the withdrawals inthis
economy equal?
n) Give two reasons why investment would change from I = 12 to I =18.
o) What are the new equilibrium levels of Y, C, S, and YD ifinvestment
changed from I = 12 to I = 18?
p) What is the size of the (simple) multiplier?
q) What is the change in Y in the 3rd round of the multipliereffect as a
result of the change in investment in part n?

harlequinseal728

ECO102H1 Lecture Notes - Lecture 6: Open Economy, Government Budget Balance, Tax Rate

ECO102H1 Full Course Notes

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