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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.If the consumption function is C - $250 +0.75(Y), the MPS is__, the government spending multiplier is multiplier is and the tax O 0.25: -3,4 0.25:4:-3 O 0.75:-3;4 O 0.75; 4;-3Given Co = 400 and MPC=0.70 Find Consumption when Yd = 2000 and when Yd = 3000. Calculate Savings for both these levels of disposable income and consumption. Calculate MPS. Does MPS + MPC = 1? If autonomous consumption increases by $50. What is the multiplier? What is the change in total spending? Use a diagram to show which curve shifts and how.
- The difference between planned and unplanned spending is Select one: O a. always negative O b. unplanned changes in inventories O c inventories O d. always positiveAutonomous spending rises by $10 billion and Real GDP rises by $50 billion. What does the marginal propensity to save equal? O 0.80 0.50 0.20 0.90 0.10 Note:- Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism. Answer completely. You will get up vote for sure.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) 0.4
- If Andrea’s disposable income increases from $600 to $700 and her level of personal consumption expenditures increases from $450 to $475. You may conclude that her marginal propensity to consume is: Group of answer choices 0.5 0.1 0.75 0.25If Multiplier is 1/1-MPC and MPS+MPC=1, MPC= Marginal propensity to consume and MPS= marginal propensity to save. Using this formula and MPC is 0.9 multiplier is __________ and if MPS =0.4 multiplier is ________________ a 10 and 10 b 1 and 2.5 c 10 and 2.5 d 1.111 and 1.6665 3. permanent Income Hypothesis a) suppose that beta=.9 and R= 2222 (that is ~22%). For an individual who acts according to the PIH, will their consumption next period be higher than current consumption or lower? b) What is the main crucial difference between the Keynesian Consumption function and the consumption function derived from the PIH (or Lifetime Income Hypothesis)? c) If Present Value of future income stream is 500,000 and a person has a beta of.8, how much will their consumption go up today if only today's income increases by 1000? How much will their consumption increase (approximately) if their income goes up by 1000 in all periods?
- 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.In an economy where the MPC is 0.7, the proportional tax rate is 0.25 and the marginal propensity to import is 0.2, the multiplier will be:Select one:a.0.675b.1.48c.2.35d.2.116. Suppose that planned investment and planned government purchases do not depend on income:I = 15 and G = 17. Consumption, as you would expect, does depend on income via the consumption function C = 2 + 0.75Y – 0.75T. Net taxes are T = 12. Your friend thinks that the equilibrium will be where Y = 150 but he is wrong. What is the best description of this situation? a. the (Y, AE) point is above the 45 degree line, Y will adjust down b. the (Y, AE) point is above the 45 degree line, Y will adjust up c. the (Y, AE) point is below the 45 degree line, Y will adjust down d. the (Y, AE) point is below the 45 degree line, Y will adjust up 17. (continued) Help you friend by calculating the equilibrium income for the AE model in the previous question. Y = _____