According to lhe Bureau ol Econoinic Analysis, during the recession of 2007– 2009, household saving as a fraction of disposable personal income increased from a low of just over I percent in ihe first quarter of 2008 to 5 percent in the second quarter of 2009. All else equal, what impact would this change in saving have on the MPC, MPS, and muitiplier? How would ihis change affect equilibrium output when planned investment changes?

According to lhe Bureau ol Econoinic Analysis, during the recession of 2007– 2009, household saving as a fraction of disposable personal income increased from a low of just over I percent in ihe first quarter of 2008 to 5 percent in the second quarter of 2009. All else equal, what impact would this change in saving have on the MPC, MPS, and muitiplier? How would ihis change affect equilibrium output when planned investment changes?

Economics:

10th Edition

ISBN:9781285859460

Author:BOYES, William

Publisher:BOYES, William

Chapter9: Aggregate Expenditures

Section: Chapter Questions

Problem 10E

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1. According to the Bureau of Economic Analysis, during therecession of 2007–2009, household saving as a fraction of dis-posable personal income increased from a low of just over1 percent in the first quarter of 2008 to 5 percent in the secondquarter of 2009. All else equal, what impact would this changein saving have on the MPC, MPS, and multiplier? How wouldthis change affect equilibrium output when planned invest-ment changes? 2. Assume in a simple economy that the level of saving is –500 whenaggregate output equals zero and that the marginal propensity tosave is 0.2. Derive the saving function and the consumption func-tion, and draw a graph showing these functions. At what level ofaggregate output does the consumption curve cross the 45° line?Explain your answer and show this on the graph.
1. Show that equilibruim level of income is at a point where consumption plus investment schedules intersect the 45 degree line. 2. Suppose the level of autonomous investment in an economy is K200,000 and the consumption function is given below as c = 80+0.8Y, what will be the equilibrium level of income. 4.if MPcC is 0.8, what will be the increase in the level of income if investment is increased to K400,000. 5. What increase in investment is needed to raise the income by K4000, if MPC is 0.75? How much will be the increase in consumption and saving due to this increase in income. 3. Given the consumption level C= 50 + 75Y, if we assume autonomous investment is K200,000 at what level of income will savings become equal to investment?
The following questions refer to this table: a.At each level of output, calculate saving. At each level of out-put, calculate unplanned investment (inventory change).What is likely to happen to aggregate output if the economyproduces at each of the levels indicated? What is the equilib-rium level of output?b.Over each range of income (2,000 to 2,500, 2,500 to 3,000, andso on), calculate the marginal propensity to consume. Calculatethe marginal propensity to save. What is the multiplier?c.By assuming there is no change in the level of the MPC andthe MPS and planned investment jumps by 200 and is sus-tained at that higher level, recompute the table. What is thenew equilibrium level of Y? Is this consistent with what youcompute using the multiplier?
Yd Consumption Expenditure $ 0 $ 6,000 $ 10,000 $ 14,000 $ 20,000 $ 22,000 $ 30,000 $ 30,000 $ 40,000 $ 38,000 $ 50,000 $ 46,000 Determine break even level of income Determine autonomous consumption If your income level were $30,000, how much would you save? Calculate MPC, MPS, and Multiplier How much equilibrium level of income will increase by if autonomous Investment of $4,000 was made?
Assume that Andrew Marcus is 25 years old and expects to live until the age of 75. (a) If he wins €20 million in cash (after taxes) in the lottery and retires, how much will he consume each year if he wants to have constant consumption and use up all his wealth by the time he dies? Assume the real interest rate is zero. (75 words max) (b) If his total income in the year he wins the lottery is his lottery winnings, what will his average propensity to consume be for that year? (75 words max) (c) If he has no other earnings in later years but continues his constant consumption, what will his average propensity to consume be for those later years? (75 words max) (d) What is Andrew's "permanent income" in the year he wins the lottery? What is his "transitory income"? (75 words max)
Consider the following functions for consumption and investment: C = 1,000 + (2/3)*(Y – T) and I = 1,200 – 100*r. Furthermore, Y = 8,000, G = 2500, T = 2,000. Compute private, public, and national savings for this economy, and find the equilibrium real interest rate (r). Assume that G declines by 500 units. How will it change your answers in part (a)? What happens to the national savings, given everything else, if the public decides to consume less out of their disposable income (assume that the propensity of consume falls by 10 percent)? Given your answer in part (c), what happens to investment and real interest rate? Answer all four.
Explain the multiplier intuitively. Why is it that an increase inplanned investment of $100 raises equilibrium output by morethan $100? Why is the effect on equilibrium output finite? Howdo we know that the multiplier is 1/MPS?
Q.1.14 In the Keynesian model, what is the most important determinant of ahousehold’s consumption?(a) Disposable income.(b) Total wealth.(c) The number of persons in the household.(d) Its’ net wealth. Q.1.15 Induced consumption is: (a) the part of consumption which is independent of the level of income.(b) the minimum level of consumption that is financed from sources otherthan income.(c) The maximum level of consumption that is financed from sources otherthan income.(d) shown by the slope of the consumption function.Q.1.16 In the Keynesian model, an introduction of a proportional tax will: (a) increase the slope of the consumption function.(b) reduce the multiplier.(c) increase the equilibrium level of income.(d) increase the multiplier.Q.1.17 A decrease in the price level will: (a) shift the AS curve to the left.(b) shift the AD curve to the left.(c) shift the AS curve to the right.(d) leave both the AD curve and the AS curve unchanged.
a)What will the multiplier be given the MPS values below? Fill in the table with your answers. Instructions: round your answers to 2 decimal places. MPS Multiplier 0.0 0.4 0.5 1.0 b) What will the multiplier be given the MPC values below? Fill in the table with your anwers. MPC Multiplier 1.0 0.9 0.75 0.5 0 c) How much of a change in GDP will result if firms increase their level of investment by $ 8 billion and the MPC is 0.80? ( Enter your answers as whole numbers) How much of a change in GDP will result if firms incresese their level of investment by $ 8 billion and the MPC instead is 0.67?
Suppose that the linear equation for consumption in a hypothetical economy is C = 40 + .8Y. Also suppose that income (Y ) is $400. Determine (a) the marginal propensity to consume, (b) the marginal propensity to save, (c) the level of consumption, (d ) the average propensity to consume, (e) the level of saving, and ( f ) the average propensity to save.
Consider an economy described by the following equations:Y=C + I +GY=7,000G=4000T=2,000C=150+0.75(Y-T)I=1,000-50ra. In this economy, compute private saving, public saving and national saving.b. Calculate the equilibrium interest rate.c. Now suppose the G rises by 1,000. Compute private saving, public saving, and nationalsaving.d. Calculate the new equilibrium interest rate. Answer only part c and d in this question as I have attempted first two parts already.
Precisely how do the APC and the MPC differ? Why must the sum of the MPC and the MPS equal 1? What are the basic determinants of the consumption and saving schedules? Of your personal level of consumption?