An economy is described by the following: C=20+0.9Y I=120-200r. Md=250+0.2Y-400r. Ms/P=1250 Y=70 W=17.5 Lf=144 a) Find AS and AD. b) Find the equilibrium level of Y and P c) Graphically represent this economy d) Find the long-run Y of this economy. e) What is the level of government expenses G, the government needs to impose in order to lead the economy to the full employment? (Show the long-run graphically)
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An economy is described by the following: C=20+0.9Y I=120-200r. Md=250+0.2Y-400r. Ms/P=1250 Y=70 W=17.5 Lf=144
a) Find AS and AD.
b) Find the equilibrium level of Y and P
c) Graphically represent this economy
d) Find the long-run Y of this economy.
e) What is the level of government expenses G, the government needs to impose in order to lead the economy to the full employment? (Show the long-run graphically).
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- 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 bothThe national income model for an economy is represented as follows (units are in Ksh.M) Y = C + I + G + X – M I = 320 + 0.20Y G = 980 C = 540 + 0.80Y M = 640 + 0.25Y X = 850 Y = National income; C = Consumption; I = Investment; G = government spending; X = Exports; and M = Imports. Determine the following.TRUE or FALSE: This model has three endogenous variablesAnswer 1Choose... TRUE or FALSE: The country’s marginal propensity to save is 20%.Answer 2Choose... Autonomous level of importsAnswer 3Choose... Equilibrium investment Answer 4Choose... Equilibrium national incomeAnswer 5Choose... Net Exports (NX) Answer 6Choose... TRUE or FALSE: The economy is a net importerName two macroeconomic variables that decline when the economy goes into a recession. Name one macroeconomic variable that rises during a recession.
- Assuming that there is no government spending or trade, an economy’s GDP is the sum of domestic consumption C and investment I, i.e. Y = C+ I Assume that I is unaffected by GDP Assume the consumption function is C = c0 + c1Y In any equilibrium aggregate demand, AD must be equal to Y, GDP. Given this model, which FIVE of the following statements are correct? Select one or more: A. If the economy above is a demand-driven economy, then the equilibrium solution for Y is given by Y = m(c0 + I), where m = 1/(1 - c1) is the multiplier. B. if c1 = 0.8 the multiplier is equal to 1/0.8= 1.25 C. if c1 = 0.75 the multiplier is equal to 4 D. assume c0 =100, I=50, c1=0.6. The equilibrium value of Y in a demand-driven economy is 300. E. Assume that Y is initially 400, I is initially 100, and the multiplier is 2.5. I increases by 10%. The multiplier implies that in equilibrium Y will increase by 25%. F. The higher is c1 the larger is the multiplier G. If consumers…The government of Australia has embarked on various policies in order to reduce the severity of COVID 19 on the economy. Has COVID 19 caused economic expansion or a recession? Explain your answer using at least two economic effects on the economy of AustraliaIS/LM Model refers to the general equilibrium not macroeconomic equilibrium.
- Consider that the macroeconomy is hit by aftershocks. Exports decrease by $40 billion and imports increase by $200 billion. Modify your macroeconomic model to reflect both these aftershocks 1. At GDP of 7400: 1. Inventories are in surplus by 80 2. Inventories are in shortage by 80 3. Equilibrium is achieved by the macroeconomy according to the Keynesians 4. Inventories are in surplus by 240 2. At GDP of 8200: Inventories are in surplus by 320, Inventories are in shortage by 320, Equilibrium is achieved by the macroeconomy according to the Keynesians, or Inventories are both in surplus and shortage by 240 3. At GDP of 5000: Inventories are in surplus by 80, Inventories are in shortage by 80, Equilibrium is achieved by the macroeconomy according to the Keynesians, or Inventories are in surplus by 240 4. At GDP of 5800, exports are: 5. At GDP of 9000, imports are: 6. At the new equilibrium GDP, the economy is in: 7. The marginal propensity to consume (MPC) for your…Consider a hypothesis economy described by the following equation C=100 I=1200 X-1110 M=200+0.25Y T=250+0.3Y Required 1.Compute the equilibrium level of the national income 2.The level of consumption income after tax and net exports that corresponds to the equilibrium level national incomeBased on the data in the table and graph below, identify the equilibrium GDP: Price Level Real GDP/Output in $ billion Real GDP/Spending in $ billion 80 100 180 90 120 160 100 140 140 110 160 125 120 170 115 130 175 105 140 178 100 Real GDP ($ billion) is charted on the x-axis (range 80-200). Price Level is charted on the y-axis (range: 60-150). The AS curve begins at (80,100) and ends at (179, 140), ascending up left to right. This curve intersects with the AD curve at (140,100). The AD curve begins at point (100, 140) and ends at (180, 80), descending left to right.
- Assuming that there is no government spending or trade, an economy’s GDP is the sum of domestic consumption C and investment I, i.e. Y = C+ I Assume that I is unaffected by GDP Assume the consumption function is C = c0 + c1Y In any equilibrium aggregate demand, AD must be equal to Y, GDP. Given this model, which of the following statements is correct? choose 5 Select one or more: a. In a demand-driven economy demand is equal to supply in equilibrium b. In a demand-driven economy, supply creates its own demand c. The aggregate demand equation is given by AD = c0 + c1Y + I d. If the economy above is a demand-driven economy, then the equilibrium solution for Y is given by Y = (c0 + I)/(1-c1 ) e. In a demand-driven economy the AD curve is a vertical line f. In a supply-driven economy demand is equal to supply in equilibrium g. if c1 is a number between 0 and 1, and I+c0 >0 then the aggregate demand equation is a straight line that must intersect the…Consider a competitive, closed economy with a Cobb-Douglas production function with parameter α = 0.25. The parameter A is equal to 60. Assume also that capital is 100, labor is 100. Assume that in this economy consumption (C) is given by the equation C = 600 + 0.6(Y – T). Investment (I) is given by the equation I = 2,000 – 100r, where r is the real rate of interest in percent. Taxes (T) are 500 and government spending (G) is also 500. (Hint: use the GDP obtained in part a). What are the equilibrium values of C, I, and r? What are the values of private saving, public saving, and national saving?In the aggregate expenditures model, all are true except: a)the price level is shown b)the equilibrium level of GDP can be determined c)the relationship between spending and production is presented d)the actual GDP can be compared to potential GDP