In a model with no government or foreign sector, if autonomous consumption is c30, investment is 150, and the marginal propensity to consume is,0.75, equilibrium income () is equal to: Select one: O. AB0 Ob 720 O 180 O. 700 Oe 240
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- Assume in country Y, the average marginal propensity to save is 0.2. When the aggregateincome is zero, consumers spend 50 to consume. Derive the saving function and consumptionfunction for this country. What happens to consumption when the propensity to savedecreases to 0.1? Explain your answer and show this on the graph.Assume a model with no government and no foregin sector If we gave a savings funcyion thatvis defined as s 200+ (0.1)Y and autonomous investment decreases by 50, by how much wikk consumption change?n an effort to make sales projections, M/s K, B and A, the three B-school executives of Vengaboys Inc., were discussing about the national income and its growth in Ibiza. K had estimated a linear consumption function for Ibiza to be C = 100 + 0.6 Y, and investment to be I = 100 per ear. In Ibiza, there was no income tax and government spending was minimal (assume 0). Ibiza was a closed economy, and hence no exports and imports. (i)K immediately knew what the investment Multiplier was. Can you find out? (ii)What is the level of income in Ibiza? (iii)K estimated that with Government spending 100 on a new road to be constructed, the income levels are sure to go up. K quickly calculated the change in income and the new income level to be:
- Explain two effect of public expenditure on the investment??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.25 1 Calculate the equilibrium level of investment if you have the following equations: C=0.4Yd+20, national income is 1000, government expenditures is 200, tax is 50 Investment =300 O Investment-D350 O Investment3D400 O Investment3D450 O None of the above O
- Suppose an economy’s steady-state investment rate I/Y is 30 percentwhen the corporate tax rate is zero. What happens to this investmentrate if the corporate tax rate rises to 20 percent? 30 percent?levels of in come The equilibrium levels of income Y consumptiion C, disposable income Yo and a three- Sector macroeconomic model Satis.fy the Structural equatione taxation T, for %3D C + In t Go C=atbld (ocbel, a>o) Y-T TE tY + To o >o) ☺ Express Ax=d Ü Using Cramer's rule, find the equilibrium levels of consumption (^), dis poseble in come CYo and Taxation (Tr) this System ln the formStudy the scenario and complete the question(s) that follow(s):SilesiaYou are provided with the following information about an imaginary economy called Silesia. Use the information provided in the table to answer the questions below.Government expenditure 400 Exports 250 Autonomous imports 50 Autonomous consumption 150 Investment Expenditure 300 Full- mployment output 2040 Marginal propensity to consume 0.75 Marginal propensity to import 0.15 Tax rate 0.25Source: Bester, N. 2017.5.1 Derive and calculate the consumption function for the data provided. Show all formulas and calculations used. 5.2 Calculate autonomous spending. Show all formulas and calculations used.5.3 Calculate the multiplier. Show all formulas and calculations used. Round off your final answer to 1 decimal.
- | Assume in country Y, the average marginal propensity to save is 0.2. When the aggregate income is zero, consum- ers spend 50 to consume. Derive the saving function and consumption function for this country. What happens to consumption when the propensity to save decreases to 0.1? Explain your answer and show this on the graph.16 100% 3 7 4 Consider the economic model: Yt Ct + it Ct myt-1 act-1 where y is GDP, c is consumption, i is investment, m and a are multipliers. (i) Write down a difference equation for y (ii) Find the condition under which the steady state exists, and find the steady state solution (iii) Find the condition under which the system converges to the steady state (iv) Find the condition under which y will show sinusoidal (cyclical) pattern (This occurs when the roots of the characteristic equation are complex "6²-4ac < 0") ERMT Problem Paper 01 28°C Light rain || || 3 hpThe table below is the multiplier matrix of the 4 sector economic model. Exogenous Variables G* T* AND C T Even. YD M B AS S A 1.163 0.817 0.311 1.73 0.311 0.311 - 0.311 0.222 I* 1.163 0.817 0.311 1.73 0.311 0.311 - 0.311 0.222 1.163 0.875 0.311 1.73 0.311 -0.655 -0.311 0.222 - 1.094 -0.815 0.781 -1.875 -0.219 0.781 0.219 - 0.563 X* 1.163 0.815 0.311 1.25 0.311 0.311 0.547 0.222 a. Calculate the change of each endogenous variable value of the effect of AG* = 160 M* - 1.163 - 1.393 - 0.311 - 1.25 0.655 - 0.311 - 0.547 - 0.222 b. Calculate the net change in each value of the endogenous variable as a result of the simultaneous change, AX* = 200 and AM* = -150 c. AT* = 250; By how much does the government need to change G* so that the net effect of these 2 shocks (AT* = -250 and AG* which you calculated) so that AB = 0? d. Calculate the net change in each value of the endogenous variable as a result of the 2 shocks occurring in (c).
