It is found that the consumption function for the economy is C = 50 + 0.8 Y d . Current level of output is 8800 and the potential GDP is 9000. Assuming the Keynesian view of the short run, answer the following questions.
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It is found that the consumption function for the economy is C = 50 + 0.8 Y d . Current level of output is 8800 and the potential GDP is 9000. Assuming the Keynesian view of the short run, answer the following questions.
- Illustrate this economy using a carefully labeled diagram.
- What is a larger concern for this economy:
unemployment or inflation?
- If the economic policy makers want to bring the level of output to the potential GDP by changing the government expenditures (G), how much do they need to change G? Be sure to indicate whether the change is an increase or decrease.
- True or False and explain: If the policy in part c was successful, the unemployment rate will be zero.
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- Use the Keynesian Model to answer this set of questions. Suppose that in the economy under consideration the consumption function can be written as C=200+.8(Y-T). Furthermore, you know that taxes are autonomous and equal to $10. Now, suppose that investment spending is equal to $50 at every level of disposable income and government spending is constant and equal to $100 at every level of disposable income, suppose that (X-M) is constant and equal to $20 at every level of disposable income. (a)Draw a graph of the consumption function with respect to disposable income. Measure/show consumption spending on the vertical axis and disposable income on the horizontal axis (b) Calculate equilibrium national income Y, from the information given. (c) From the information given above is the government running a deficit or surplus budget? Explain why. (d) Full employment output in this economy (Y) is equal to $2000 what do you predict is happening to inventories if the full employment level of…In the Keynesian cross model, assume that the consumption function is given by C = 20 + 0.8(Y- T). Planned investment is 200; government purchases and taxes are both 400. There is no foreign trade. An economist has claimed that the full employment level of output is 2,400. How much should the government expenditure or taxes rise or fall to achieve full employment?10 . In the “complete Keynesian model”, the investment functions was I = I0 - f(i). An analyst now proposes the following investment function: I = I0 - f(i) + qY, where “q” is a parameter and Y is national income = GDP. Provide two different arguments, i.e. explanations as to why this investment function makes sense. The focus is on the new term, qY (q times Y), in the function.
- In the Keynesian cross model, assume that the consumption function is given by C = $220 + 0.7(Y – T) Planned investment is $50; government purchases and taxes are both $100. d. What level of government purchases is needed to achieve an income of $1080? Assume taxes remain at $100. G=$ e. What level of taxes is needed to achieve an income of $1080? Assume government purchases remain at S100.In the Keynesian macroeconomic model, the equation for the savings function is given as: S = -420 + 1/4Y. Based on this information, which of the following statements is correct? (1) The marginal propensity to consume is 1/4;(2) The marginal propensity to save is -420; (3) At an income level of R1 000, the value of savings is 250;(4) At an income level of R1 000, the level of savings is -170.Suppose we have the following information for the simple (fixed r, fixed P, fixed W) Keynesian model. C = 400 + 0.8 I = 310 G = 140 = 400 + 0.8 (Y - T) T = 200, where C is the consumption function, (Y - T) is disposable income, I is investment, G is government spending, and T is taxes. What is equilibrium income ($output), Ye ? Group of answer choices A) $5,050 B) $3,450 C) $6,900 D) $2,050 E) $5,450
- Recall the Keynesian Cross is the foundation to derive the IS curve. Suppose we have a simple closed economy. The cross of planned expenditure (PE) and the equilibrium condition (PE = Y) of this economy shows the equilibrium level of national output in the goods market. Here we assume the consumption (C) is a function of • C = 120 + 0.75(Y-T); Here the marginal propensity to consume (MPC) equals 0.75. Planned investment (I) is 200; government purchases (G) and taxes (T) are both 400. Use the conditions given, finish the following questions. (1) What is the equilibrium level of national income? Show step-by-step solution. Tip: recall the definition of planned expenditure (PE). At equilibrium, actual expenditure (Y) equals planned expenditure. (2) If government expenditures increase to 500, ceteris paribus (other things being equal), what is the new equilibrium income? What is the multiplier for government purchases? How much is the change of national income from the increase in…Consider the impact of thriftiness in the Keynesian Cross Model. Suppose the consumption function is C=C¯+c(Y−T¯) where C¯ is called autonomous consumption and cc is the marginal propensity to consume. a) What happens to equilibrium income when society becomes more thrifty (i.e., a decline in C¯) b) Your answer to (a) is called the Paradox of Thrift. Explain why consuming less (and saving more) is not a good thing in this model. (Hint: a decrease in consumption wouldn’t be so bad in our classical model of Chapter 3 because we assumed national savings equaled investment in the long run.)Q.1.7 In the Keynesian macroeconomic model, the equation for the savings function is given as: S = -420 + 1/4Y. Based on this information, which of the following statements is correct? (1) The marginal propensity to consume is 1/4; (2) The marginal propensity to save is -420;
- In an economy, marginal propensity to consume (MPC) is 0.75 where Keynesian model works. Now, if government increases both its expenditure and taxes by 1000, then Income increases by 4000; Income increases by 3000; Income increases by 1000; Income do not change?Aggregate Expenditure(in millions of dollars) What happens in the simple Keynesian model below if households expect lower income in the future and decide to save more today? Use the line mover tool to adjust the graph and then answer the question below. (Assume that investment varies directly with aggregate income.) 10000 9000 8000 7000 6000 5000 4000 3000 2000 1000 AE = Al C+1 0 0 1000 2000 3000 4000 5000 6000 7000 8000 900010000 Aggregate Income(in millions of dollars) What happened to output, income, and savings, as a result? What do economists call this phenomena? The decrease in consumption shifts the spending curve down, resulting in a lower level of output, income, and savings. Economists refer to the intended decrease in savings that results in a decrease in overall savings as the paradox of thrift. Output and income increase as a result of the decrease in consumption. In addition, savings will decrease when income increases. Economists refer to this as the paradox of thrift.…In the Keynesian cross model, assume that the consumption function is given by C = 100 + 0.75(Y - T). If government spending increases by AG = 100, what is the increase in output? How does your answer change when the spending increase is financed by an equal increase in taxes?
