an economy where the various components of expenditure follow these equations: C = 10 + 0.8Yd I = 500 %3D G = 100 X = 300 M = 0.1Y T = 0.1Y A) Calculate the equilibrium level of GDP in this economy, highlighting what are the values of the Keynesian multiplier and the autonomous components of expenditure. Now assume that aggregate investment is also sensitive to movements of the interest rate: I = 500 – 2,000r %D The money supply is equal to 1,000 and money demand satisfies the following equation: Ma = 2Y – 8,000r B) Solve for the equilibrium levels of output and the interest rate. Explain why the equilibrium level of output is lower than the one obtained in (a). C) Suppose that the government increases the tax rate to 0.15. Calculate the equilibrium effects of this policy and provide an explanation with the help of appropriate diagrams. D) Now assume that the price level can adjust. Using appropriate diagrams, explain the short- run impact of the policy introduced in (v) on aggregate output and the price level and the mechanisms by which output will eventually return to its

an economy where the various components of expenditure follow these equations: C = 10 + 0.8Yd I = 500 %3D G = 100 X = 300 M = 0.1Y T = 0.1Y A) Calculate the equilibrium level of GDP in this economy, highlighting what are the values of the Keynesian multiplier and the autonomous components of expenditure. Now assume that aggregate investment is also sensitive to movements of the interest rate: I = 500 – 2,000r %D The money supply is equal to 1,000 and money demand satisfies the following equation: Ma = 2Y – 8,000r B) Solve for the equilibrium levels of output and the interest rate. Explain why the equilibrium level of output is lower than the one obtained in (a). C) Suppose that the government increases the tax rate to 0.15. Calculate the equilibrium effects of this policy and provide an explanation with the help of appropriate diagrams. D) Now assume that the price level can adjust. Using appropriate diagrams, explain the short- run impact of the policy introduced in (v) on aggregate output and the price level and the mechanisms by which output will eventually return to its

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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The total expenditure schedule in Macroland begins with these initial levels (in billions of dollars): Income = 1,000; Consumption = 900; Investment = 200; Government = 300; Net Exports = −100. If the MPC = 0.75 and income increases in increments of 200, find the equilibrium level of income. If full employment requires an income level of 2,000, what (if anything) should the government do? Indicate both the direction of the spending change and the size of the spending change.
Find autonomous Expenditure from the following:- Autonomous consumption = $200 Marginal propensity to consume = 0.6 National income = $3000
The levels of real disposable income and aggregate expenditures for an economy are given in the following table. -- Use the blue points (circle symbol) to plot the expenditures line for this economy on the following graph. Line segments will automatically connect the points. The black line represents the 45-degree line, where aggregate expenditures equal real GDP. Use the black point (plus symbol) to indicate equilibrium real GDP. - - In the previous graph, if the economy produces at an output level that is higher than equilibrium GDP, then the economy is in because aggregate expenditures are real GDP, and unplanned inventory investment is Read GDP (Y) Aggregate Expenditures (AE) (Trillions of dollars per year) (Trillions of dollars per year) 0 1 1 1.75 2 2.5 3 3.25 4 4 5 4.75 6 5.5 7 6.25 8 7 Use the blue points (circle symbol) to plot the expenditures line for this economy on the following graph. Line segments will automatically connect the points. The black line represents the…
5:06 A & & & P M Page 4 of 5 QUESTION 4 The figure below shows the planned Aggregate Expenditure function for a hypothetical economy (AEp = 1,000 + 0.5 * Y). In this economy, taxes and transfers are equal to zero, so YD =Y. What is the value of unplanned investment expenditure (Iµ) when GDP = 3,000? Suppose that, next period, autonomous consumption increased by 100 and every thing else remained the same. Under these new circumstances, what would the value of unplanned investment be when GDP = 3,000? 5,000 4, 500 4, 000 3, 500 3,000 AEp = 1,000 + 0.5*Y 2, 500 2000 1, 500 1,a00 500 500 1,000 1, 500 2,000 2 500 3,000 3,500 4,000 4,500 5,000 REAL GDP Page 5 of 5 QUESTION A5 a. Suppose that some kind of significant economic event has occurred, and you learn that the event will de finitely cause the aggregate price level to decrease, but that its effect on short-run equilibrium real GDP cannot be determined without knowing the exact PLANNED AGGREGATE EXPENDITURE
Suppose the aggregate consumption function is represented by C = £1,000 + 0.5*YD, where YD is disposable income, and there are no taxes or transfers. Using the income-expenditure model, what increase in autonomous consumption must occur for equilibrium output to increase by £1,000? Select one: a. £200 b. £500 c. £100 d. £250
This question has four parts, here is the fourth and final part. 1.4. Create a graph for the aggregate expenditures (AE) model in Excel using the data from Table 1: A Private Closed Economy. (table 1 is in the attachment) tips: Remember, the 45degree line (also known as the Keynesian Cross) is a tool that shows how differences in aggregate expenditures and real GDP can affect business inventories which will affect future levels of real GDP. Aggregate expenditure and GDP are both function of consumption, investment, government spending, and net exports. So, the equations for the two are identical: Y = C + I + G + NX, and AE (aggregate expenditure) = C + I + G + NX For private closed economy the equation is: Y = C + I , and AE (aggregate expenditure) = C + I
Stiller 1. Suppose an economy is represented by the following equations. Consumption function C = 100 + 0.8Yd Planned investment I = 38 Government spending G = 75 Exports EX = 25 Imports IM= 0.05Yd Autonomous Taxes T = 40 Planned aggregate expenditure AE = C + I + G + (EX - IM) a. By using the above information calculate the equilibrium level of income for this economy, b. Calculate the value of expenditure multiplier. c. Suppose that government spending is increased by 5, what will happen to the equilibrium income level?
Use the figure to calculate the marginal propensity to consume (MPC) between point A and point B. MPC = (Enter your response as a real number rounded to two decimal places.) C Real consumption spending ($ billions) Consumption and National Income $3,750 $2,250 B $3,000 $5,000 Real national income or real GDP ($ billions) C
Assume a simple Keynesian macro model:AE = C + I C = 100 + 0.75Y I = 200i) Find the equilibrium level of income. Show the equilibrium on a graph. ii) Calculate the simple multiplier and find the effect on the equilibrium level of income of a change in the level of planned investment from 200 to 150 by using a multiplier.
For the following economy, find autonomous expenditure, the multiplier, short-runequilibrium output,and the output gap. By how much would autonomousexpenditure have to change to eliminate the output gap?C= 400 + 0.8 (Y – T )I p= 200G= 140NX= 60T= 100Y*= 4,000Find the multiplier, output gap and change in autonomous expenditure toeliminate the output gap.
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complete all please! thank you Part I - Definitions1. Define Autonomous Aggregate Expenditure (AAE):2. Define Marginal Propensity to Consume (MPC):3. Define Marginal Propensity to Save (MPS):4. Define the Multiplier:5. Define Consumption Function:6. Define Inventories: