In a macro model where the marginal propensity to consume out of disposable income is 0.80, the net tax rate is 0.25, and the marginal propensity to import is 0.11, the simple multiplier will be OA. 3.448 O B. 2.041 OC. 0.490 O D. 1.961 O E. 1.408
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- An increase of R5 billion in income in a macroeconomy leads to an increase in R3billion in consumption spending. From this information, we can determine that themarginal propensity to save in this economy is:choose the correct answer(a) 0.6; (b) 0.5;(c) 0.3; (d) 0.4Suppose that the recent economic outlook in the country of Mountainia has been the opposite. Businesses have postponed planned investments and have begun to accumulate cash. If businesses in Mountainia postpone $12 billion of their planned investments, what would be the maximum expected change in GDP if its marginal propensity to save (MPS) is 0.05? $ billionHere is a little easy one. The question is based on Macro. The consumption function is given by C=AYB where B=0.5 and A=0.3. The marginal propensity to save (MPS) is: a) Equal to 0.5 b) increasing in income, Y c) equal to 0.3 d) equal to 0.7 The correct answer is b, I think as there is no direct way to calculate MPS(Righ?). Please work me through the logic of it. Please show clearly that MPS is an increasing function in Y. Thank you.
- 18. According to the income and consumption schedules shown above, the marginal propensity to consume is(A) 1.33(B) 0.90(C) 0.80(D) 0.75(E) decreasing as real disposable income How come MPC equals 0.75?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?Suppose that the marginal propensity to consume is dC/dy= 0.4 + (1 / sq. root of 3y + 10)(in billions of dollars) and that consumption is $9 billion when disposable income is $0. Find the nationalconsumption function C. Round numbers in your answer to two decimal places when appropriate.
- If the MPS rises, then the MPC will: a. Fall b. Rise c. Stay the same In what direction will each of the following occurrences shift the consumption and saving schedules, other things equal? a. A large decrease in real estate values, including private homes. b. A sharp, sustained increase in stock prices. c. A 5-year increase in the minimum age for collecting Social Security benefits. d. An economywide expectation that a recession is over and that a robust expansion will occur. e. A substantial increase in household borrowing to finance auto purchases. Irving owns a chain of movie theaters. He is considering whether he should build a new theather downtown. The expected rate of return is 15 percent per year. He can borrow money at a 12 percent interest rate to finance the project. Should Irving proceed with this project? Which of the following scenarios will shift the investment demand curve right? (Select one or more answers) a. Business taxes increase b. The expected return…We again assume asimple closed economy with GDP of 100 and:c0(autonomous consumption) = 20c1 (marginal propensity to consume) = 0.6I (investment) = 20.a) Now assume that c0falls by 5 (i.e. 5% of GDP), i.e. for any given level of output,consumption will fall by 5. Show the implied fall in the AD function in yourdiagram and show that output will fall by more than 5.b) Show that the multiplier is equal to 2.5, and hence that, in the new equilibrium,output will have fallen by 12.5 (i.e. by 12.5%)c) How big would the impact be if, say, c1 = 0.4 or c1 = 0.8? Explain the difference.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?
- 9. If the MPC is greater than zero but less than one, then we can be sure that when disposable income rises by P1 consumption will: a. not be affected b. will rise by more than P1 c. will rise by less than P1 d. will rise by exactly P1.If aggregate expenditures increase by $12 billion and equilibrium GDP consequently increases by $48 billion, then the marginal propensity to save in the economy must be: MPC= change in consumption/ change in income so MPC=12/48 or .25 So the MPS is .75 Is this correct?Suppose that the marginal propensity to save is dS dy = 0.21 (in billions of dollars) and that consumption is $9.8 billion when disposable income is $0. Find the national consumption function.
