2. Given the following information: C- 400 + 0.8 Yd, Ip = 200, G = 400, X = 400, T = 50+ 0.2 Y, M = 50. Insert the final answer of the following questions: 1. Multiplier = 2. Equilibrium Income = 3. Saving at equilibrium 4. Total leakages 5. If the Government expenditure increases to 600, the change in equilibrium level of income = 6. If income is 4000, the unplanned investment (lu) =

2. Given the following information: C- 400 + 0.8 Yd, Ip = 200, G = 400, X = 400, T = 50+ 0.2 Y, M = 50. Insert the final answer of the following questions: 1. Multiplier = 2. Equilibrium Income = 3. Saving at equilibrium 4. Total leakages 5. If the Government expenditure increases to 600, the change in equilibrium level of income = 6. If income is 4000, the unplanned investment (lu) =

MACROECONOMICS

14th Edition

ISBN:9781337794985

Author:Baumol

Publisher:Baumol

Chapter9: Demand-side Equilibrium: Unemployment Or Inflation?

Section: Chapter Questions

Problem 4TY

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Assume an economy in which:(i) there are no exports and no imports,(ii) investors always want to spend $200 billion, or I = 200,(iii) government spends $500 billion and tax revenue is $200 billion,(iv) consumption is a linear function of disposable income, C=100+0.8YdAnswer the following questions:a. What is the marginal propensity to save (MPS)?b. What is the saving equation?c. What is the equilibrium level of national output/income (Y)?d. At the equilibrium income level (Y*, your answer to c) calculate private saving,and explain the relationship between private saving and planned investment?
Question 17 – Question 20: In this question, interest rate and prices are held fixed, and the economy can be described by the income-expenditure model. Consumption: C = 190 + 0.8YD; where YD = disposable income Investment: I = 180 – 50i, where i = 0.1 (10% & it is held fixed) Government spending: G = 183 Taxes: T = 272 Transfers: TR = 57 Exports: X = 18 Imports: IM = 24 Question 17 If the current level of output is 1975, find the levels of national savings and unplanned investment. Be sure to show your work rounded your answer to 2 decimal places if necessary
Suppose in a simple Keynesian economy, planned consumption function is given by C=250+0.65(Y-T). Planned investment, government purchases, taxes are $100 million, $100 million and $150 million respectively. What is MPC, MPS and autonomous consumption Derive the saving function. What is the equilibrium level of income? Y= AD=C+I+G If government purchases increase to $150 million, what is the new equilibrium level of income? What level of government purchases is needed to achieve an income of $2000 million? From question e) you get the newly government purchase. Now find out the multiplier value What is the amount of shift in AD curve? [Use the multiplier value from (5)]
The following graph shows the total expenditure line (TE) for an economy where current equilibrium output is $400 billion and potential output is $275 billion. The economy is experiencing _________ (a contractionary gap, an inflationary gap) equal to $______ billion. To close the output gap, government purchases could _______ (increase, decreease) by _____ ($50, 150, 75) billion. Thus, the value of the multiplier for this economy is ___________ (1.6667, 1.4545, 0.6, 0.3125, 0.4545). On the previous graph, shift the TE line to show the change in total expenditure necessary to close the output gap.
In an economy with no government and no foreign sectors, autonomous consumer spending is $250 billion, planned investment spending is $350 billion, and the marginal propensity to consume is 2/3. a) Plot the aggregate consumption function and planned aggregate spending. b) What is unplanned inventory investment when real GDP equal $600 billion? c) What is Y*, income-expenditure equilibrium GDP? d) What is the value of the multiplier? e) If planned investment spending rises to $450 billion, what will be the new Y*?
Suppose the following equations represents a closed economy: Y= C + I + G Y = 4000 G = 500 T = 500 C = 500 + 0.7 (Y – T) I = 1000 – 40r In this economy, compute the value of consumption (C), private saving, public saving, and national saving. Also, find the equilibrium interest rate (r). Now suppose that government spending (G) rises (expansionary fiscal policy) to 300. Compute private saving, public saving, and national saving. Also, find the new equilibrium interest rate (r). In part (b), due to expansionary fiscal policy (increase in government spending), which of the two other components of aggregate demand changes, C or I? Why? (Hint: Note the real interest rate)
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Q1. Find Equilibrium output/ national income with given following C = 140 + 0.9 (Yd) This is the consumption function where 140 is autonomous consumption, 0.9 is the marginal propensity to consume, and Yd is disposable (i.e. after tax income). Yd = Y- T, where Y is national income (or GDP) and T = Tax Revenues = 0.3Y; note that 0.3 is the average income tax rate. I = Investment = 400 G = Government spending = 800 X = Exports = 600 M = Imports = 0.15Y
V1 Consider the following information for a country: Consumption function: C = 85+0.8Yd Investment function: l = 85 Government spending: G=60 Net taxes: T = -40+0.25Y Disposable Income: Yd = Y - T Equilibrium: Y = C + l + G The level of equilibrium income, Y, = $_____(Enter response rounded two decimal places) The government collects net taxes of $_____ Remember the budget surplus is equal to taxes minus government spending, The governments budget surplus is $____
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