1. If a simple model of the macro economy is made in which the Marginal Propensity to spend is 0.65, a) What is the multiplier? b) By how much would the equilibrium national income change if autonomous consumption falls by 125?

1. If a simple model of the macro economy is made in which the Marginal Propensity to spend is 0.65, a) What is the multiplier? b) By how much would the equilibrium national income change if autonomous consumption falls by 125?

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Question

1. If a simple model of the macro economy is made in which the Marginal
Propensity to spend is 0.65,
a) What is the multiplier?
b) By how much would the equilibrium national income change if autonomous
consumption falls by 125?

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3. If the consumption function is C= $200 billion + 0.9Y, a) How much do consumers spend with income of $3 trillion? b) How much do they save?
1) Following is information for the economy of Donut. All units are million dollars. Their autonomous consumption is $500, and the marginal propensity to consume is 0.6. Investment spending is constant at $300, and government expenditure is constant at $200. Exports are constant at $100 and imports are constant at $230. Net taxes are constant at $100. Calculate and state your answers for the following questions. A.. What is the value of private saving in this economy when the real GDP is $500? B..What is the value of autonomous aggregate expenditure i.e. AE0? C..What is the size of the multiplier in this economy? D... What is the value of aggregate planned expenditure when real GDP is $1000?
Aggregate Expenditures and Multipliers Assignment a. Using the aggregate expenditure function above, what is the current level of real GDP? b. Using the aggregate expenditure function above, what would be the level of real GDP if the aggregate expenditure function shifted up by $0.2T? c. If Investment expenditures increase by $300B and MPC is equal to 0.90, what will be the increase in real GDP? d. If Government expenditures increase by $800B and MPS is equal to 0.05, what will be the increase in real GDP?
97) You observe that unplanned inventories are increasing. You predict that there will be ________. A) a business cycle B) an expansion C) a trough D) a recession 98) Business cycle turning points are A) unaffected by, and unrelated to the multiplier. B) easy to predict. C) brought about by changes in autonomous expenditures that are then subject to the multiplier effect. D) None of the above is correct. 99) Which of the following does NOT occur as the economy moves from an expansion to a recession? A) An initial decrease in autonomous spending is the trigger that creates the business cycle turning point. B) The change in planned spending exceeds the change in real GDP. C) The multiplier process reinforces any decrease in spending and pushes the economy into recession. D) Incomes fall during recessions as firms cut production in response to unplanned increases in inventories. 100) Which of the following is INCORRECT? A) Expansions usually begin…
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2. Determine the multiplier and the net effect of the following autonomous changes in spending: a. An influx of $100 billion in government spending when the marginal propensity to consume is 0.75. b. An influx of $250 billion in business investment when the marginal propensity to consume is 0.5. C. An influx of $180 billion in export sales revenue when the marginal propensity to consume is 0.8.
4. Assume a closed economy in which disposable income starts at 1,000 and increases by 500; consumption starts at 1,100 and increases by 300; investment spending is 1,000 and government spending is 500. The MPC is 0.6, The multiplier is 2.5, and The consumption equation is C = 500 + 0.6DI Equilibrium GDP is? A 3,500 B 3,000 C 4,000 D 5,000