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- Assume that the marginal propensity to consume is 0.75 and that taxes are exogenous. Imagine that government expenditure increases by $10m. Begin by assuming that the interest rate and prices stay fixed. 1. What is the value of the aggregate expenditure multiplier (k)? 2. How would the change be represented in an AD-AS diagram? 3. How would the change differ if the interest rate could change (assuming prices remain fixed)? 4. How would the change differ if the price level could also change?AD shocks change the equilibrium level of income(Y)and price(P). But the division of effects between P and Y depends on the shape of the SRAS curve. Using graphs show us what happens to P ,Y and the size of multiplier whena. SRAS is upward slopingb. SRAS is upward sloping and flatterc. SRAS is upward sloping and steeperd. SRAS is verticale. SRAS is horizontalThe diagram below shows an AD/AS model for a hypothetical economy which is initially in a short-run equilibrium at point A. Y* AS D 100 80 E 60 AD 650 700 800 1000 Real GDP Refer to the figure above. In the initial short-run equilibrium, there is but this gap could be closed by a output gap of a recessionary; 200; fiscal expansion. a recessionary; 100; fiscal contraction. an inflationary; 100; fiscal contraction O a recessionary; 200; fiscal contraction Price Level
- Consider an economy described by the following: a. Derive expressions for the MP curve and the AD curve. The expression for the MP curve is: OA. 7=1.5+0.8. OB. 7=3+0.8 C. r= 1.5+ 1x OD. 7=3+1x. The expression for the AD curve is: O A. Y=14-1.3. OB. Y 17.5-1.3. OC. Y=14-2x. O D. Y=17.5-2. = $3 trillion 7 = $1.3 trillion G = $3.5 trillion T = $3 trillion In order to keep output constant, the Bank will have to NX = S-1 trillion 7 = 1 b. Assume that =2. The real interest rate is %. (Round your response to two decimal places.) The equilibrium level of output is $trillion. (Round your response to two decimal places.) c. Suppose government spending increases to $4 trillion. What happens to equilibrium output? Equilibrium output will to S trillion. (Round your response to two decimal places.) d. If the Bank of Canada wants to keep output constant, then what monetary policy change should it make? mpc = 0.8 d = 0.3 x = 0.1 λ = 1 7 = 1.5 the real interest rate to r= %. (Round your response to two…Suppose an economy is initially in equilibrium at point m. The economy is likely to move to equilibrium at point k as a result of: Price Level LRAS SRAS2 (P) SRAS: k P2 P: m AD: Q: QN Real GDP (Q) Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a a decrease in consumer confidence. b an increase in personal income taxes. a decrease in the wage rate, d. an adverse (negative) supply shock.Derive the consumption function and use this relation in the aggregate demand function to derivean equation for the equilibrium in the goods market . Why the AD line is upward sloping?Suppose the government spending falls by 100 and in this case marginal propensity to consumeis 0.8. what is the value of change in output. Draw a diagram to show the shift in AD line due tothis change in government spending and output.
- What takes place when the economy reaches potential GDP and the aggregate supply becomes vertical?. The potential GDP is vertical only the traditional AD-AS model. c, The potential GDP is vertical only in both the income-expenditure model and the traditional AD-AS model. The potential GDP is vertical only in the income-expenditure model.THE AGGREGATE EXPENDITURE MODEL (IN THE SHORT RUN)YOU MUST SHOW YOUR CALCULATIONS IN THE SPACE BELOWFOR THE NEXT PROBLEM USE THE FOLLOWING FORMULA:CHANGE IN GDP = [ 1 / (1-MPC) ] * CHANGE IN GInitially, the economy is producing $13 trillion in goods and services and the government is spending $2 trillion.Then the government decides to increase its spending to $2.7 trillion. Compute the new equilibrium level of output. Assume that the marginal propensity to consume is 0.7 (MPC=0.7).Assume the economy is initially in equilibrium with desired aggregate expenditure equal to real GDP at point W. The price level is Po Now, suppose there is an exogenous rise in the price level to P₁. Which of the following statements describes the likely macroeconomic effects? OA. The AE curve shifts to AE2, a new equilibrium is established at point V, and the AD curve shifts from AD to AD, and equilibrium moves from point D to point B. OB. The AE curve shifts to AE₁, a new equilibrium is established at point U, and the economy moves from point D to point A along AD C. The AE curve shifts to AE2, a new equilibrium is established at point V, and the economy moves from point D to point G along AD OD. The AE curve shifts to AE₁, a new equilibrium is established at point U, and the AD curve shifts from AD to AD¹, and equilibrium from point D to point B. CITO Desired Aggregate Expenditure Price Level 459 W. Yo Real GDP A PoC P2F AE=Y AE₂ B DE Y₁ Yo Y₂ Real GDP AEO AE₁ AD ADO
- Multiplier effects occur when there is a change in spending which does not depend on income. Spending which does not depend on income is referred to as O coincident spending. nominal spending. autonomous expenditures.. O induced expenditures.When the AD AS model is in short-run equilibrium Oa.AD and SRAS intersect and at potential GDP Ob.AD and SRAS intersect at a level of GDP greater than potential GDP OC. AD and SRAS intersect at a level of GDP less than potential GDP Od.Any of the aboveConsider the following diagram, in which the current short-run equilibrium is at point A. a. At point A, the economy has an inflationary gap b. If the marginal propensity to consume equals 0.5, to eliminate the gap, the government should decrease spending by $ trillion. (Round your answer to two decimal places.) Price Level 122 118 114 0+ 0 LRAS 22 22.8 23.6 Real GDP per Year ($ trillion) SRAS AD
