In the Mundell-Fleming model, the small open economy has a LM curve. LM curve, whereas the closed economy has a horizontal, vertical horizontal, upward sloping vertical, horizontal vertical, upward sloping
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- Let the national income model be: Y = C + Io + Go C = x +B(Y-T) T = y + SY a >0; 00; 0 < d < 1 where Y, C, and T are endogenous and I and G are exogenous variables. Solve for ay/aGo, Y/Oy, and ay/a8.. Let the national income model be; Y = C + I0 + G , C = a + b ( Y – T) , G = g Y Identify endogenous variables Find the equilibrium national income Find equilibrium consumption(using static equilibrium & matrix algebra both)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 hp
- Consider the following model. Expenditure is given by: E = C +1 + G. The consumption function is specified as: C = c0 +cY. We assume a closed macroeconomics system so that: Y=E. If the model parameters are configured such that I= 500, G=2000, c0=1000 and c=0.8, what will the level of consumption expenditure, C, be equal to? a. 4,375 b. 15,000 c. 14,000 Cd. 14,500The 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).able 27-1 Y = C + I + G C = 500 + 0.8(Y − T) I = 300 G = 700 T = 0.25Y Table 27-1 Y = C + I + G C = 500 + 0.8(Y−T) I = 300 G = 700 T = 0.25Y Refer to Table 27-1. What is the level of consumption in this model? a. 2,550 b. 2,950 c. 2,350 d. 2,750 e. 2,150
- Q3 In a simple macroeconomic model, the value of national income Y may be found by solving the system: G= 250 (government expenditure) T= 50 (taxation) I= 100 (planned investment) C = 0.75Yd + 150 (consumption) where disposable income Yd = Y – T. (a) Calculate the equilibrium level of national income. (b) Calculate the total increase in government expenditure and investment needed to increase the equilibrium level of national income by 20.The model of national economy is characterised by the following data: Household consumption C-400+0.9 DI Gross investment Ig 200 Government spending G-250 Sum of Taxes T-150 Disposable income DI = Y-T Calculate: a) Equilibrium level of income Y; b) Calculate the value of Marginal propensity to consume and value of Marginal propensity to save; c) Private consumption at macroeconomic equilibrium; d) Develop equation of saving and calculate amount of saving at the point of equilibrium level of income.Assume that an economy is characterized by the following equations: C= 100 + (2/3XY -T) T= 300 G = 500 1 = 800- (50/3)r M IP 0.5Y- 50r a. Write the numerical IS curve for the economy. b. Write the numerical LM curve for the economy, assuming P=1 and M=1,200. c. Solve for the equilibrium values of Y and r.
- For the y axis, why is it labeled income and not consumption outputThe chart below gives the data necessary to make a Keynesian cross diagram. Assume that the tax rate is 0.4 of national income, the MPC out of after-tax income is 0.9, investment is 58, government spending is 60, exports are 40, and imports are 0.1 of after-tax income. National Income Minus After-tax ConsumptionI+G+X income Aggregate Expenditures Imports 100 104 200 300 400 500 600 What does consumption equal when income equals 600?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: