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- Refer to the following figure 1. For this economy, if the actual price level exceeds theexpected price level, how much output will the economyproduce in the short-run? A)$17 trillionB)$17.2 trillionC)$16.7 trillionD) Both A and C.2. Given the situation in part (a), this economy wouldexperience A) a recessionary gap of $0.3 trillionB) an expansionary gap of $0.2 trillionC) neither a recessionary gap nor an expansionary gap.D) an expansionary gap of $17.2 trillion. 3. Given the situation in part (a), in this economy (circlethe letter representing the right answer below)A) the actual rate of unemployment would be less than thenatural rate of unemployment.B) the actual rate of unemployment would be above the naturalrate of unemployment.C) the actual rate of unemployment would be equal to thenatural rate of unemployment.D)none of the above.4. In this economy, given the situation in part (a), in thelong-run (circle the letter representing the right answerbelow)A) the nominal wage…Assume an economy operates in the intermediaterange of its aggregate supply curve. State thedirection of shift for the aggregate demandor aggregate supply curve for each of thefollowing changes in conditions. What is theeffect on the price level? On real GDP? Onemployment?a. The price of crude oil rises significantly.b. Spending on national defense doubles.c. The costs of imported goods increase.d. An improvement in technology raises laborproductivity.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?
- Autonomous Consumption R535mMarginal propensity to consume is 0.75Investment Spending R322mGovernment Spending R300mImports R175m + 0.08YExports R283mTaxes = 0.1YFull employment level of output is R3 483m Calculate the value of induced imports in thiseconomy, given the equilibrium level of output.The graph models an economy in equilibrium with a real GDP of $180 billion. Suppose that consumers' expectations about future incomes change, causing unplanned inventory investment to increase by $30 billion. Shift the planned aggregate expenditure (AE) line to show the effect of this change. *Image* 1) This change will cause the equilibrium level of real GDP to a) decrease. b) remain unchanged. c) increase. 2) By how much will GDP change once the new equilibrium is reached? If GDP will decrease, be sure to include a negative sign. GDP change: $ ________ billion18 - : If aggregate demand increases in an economy while aggregate demand is constant in the short run, which of the following statements is correct for the new equilibrium point?A) price decreases and national income increasesB) price rises national income risesC) price increases and national income does not changeD) price goes up and national income goes downE) price decreases and national income decreases.19 - : In which of the following expressions is the equation of change given correctly?A) MV=VK B) MT=PV C) MV=PT D) MP=VY E) MV=P
- Question 1) a) In panel (a) the curve shifts upward, what could cause this? O Increase in G (govermment spending)O Decrease in HH wealth due to a decrease in housing pricesO An increase in the overall price levelo Areduction in govemment spending (G) b) Using Figure 2, if this economy is currently at Y1 and consumer wealth increases, then___O AD1 will shift to the left, reflecting a decrease in the real GDP at every price level.O AD1 willshift to the right. reflecting an increase in the real GDP at every price level.O an upward movement along the AD1 wiltake place., reflecting an increase in the price level.O a downward movement along the AD1 will take place, reflecting a decrease in the price level.in a closed economy with no government, where aggregate demand is determinedby autonomous consumption, investment (which is independent of output), and themarginal propensity to consume.a) Given that autonomous consumption is 20, investment is also 20, and the marginalpropensity to consume is 0.6, write out an equation for aggregate demand (AD) in thiseconomy. b) Given this aggregate demand equation, and the equilibrium equation Y = AD, usealgebra to find the equilibrium level of Y. c) Draw a diagram with output (Y) on the x-axis and aggregate demand (AD) on the yaxis. Draw two lines on this diagram: (i) Y = AD, and (ii) the aggregate demandfunction from part (a). Label the intercept of the AD line, and the point where the twolines intersect, with numerical values. (3 marks)d) Suppose that the marginal propensity to consume falls from 0.6 to 0.5. What wouldthe new equilibrium level of Y be? Illustrate your answer in the diagram you drew forpart (c). (2 marks)e) Calculate the value of…Imagine there is a consumption smoother (also known as a PIH consumer) who expectsto live for another 40 years and to work for another 30 years. They just learned thatthey will receive a permanent pay increase from their job of $800. How much extra dothey consume this year? What is their marginal propensity to consume?
- 16. Consider a closed economy with demand for goods as follows: Yd = C+I+G C= 200+0.80 ( Y-T) I= 600 G=1000 T=1000 a. What is “autonomous expenditure” ( Eo) for this economy? hint: the Keynesian cross model of income determination.Suppose an economy's macro equilibrium is such that a shift in either AD or AS (or both) to the right is desired. From this we can conclude that the economy may be experiencing O wartime production O economic growth O excess demand O unemploymentConsider a keynesian macromodel Y=(C0+G+I) / (1-c) where C0 is autonomus consumption, G is government consumption expenditure, I is investment expenditure, c is the marginal propensity to consume. In this model, if lthere is an increse in both labor productivity and the marginal propensity to consume while autonomus expenditures remain unchanged, what will happen to the level of employment? a. can't say for sure b. decreses c. stays the same d. increases