long-run equilibrium by shifting the appropriate curve or curves and/or placing the point for long-run ate place. IS-LM Model Long-run equilibrium LM IS
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- For each of the three theories for the upward slopeof the short-run aggregate.supply curve, carefullyexplain the following:aA how the econom}' recovers from a recession andreturns to its long-run equilibrium without anypolicy interventionb. what determines the speed of that recoverybefoe y ee nd My a PRAS P feyr Output Reset In 6-2 we studied how unantioipated infation might affect the supply of goods and services in the economy and construced the shon-un aggregate supply ourve The interactive above shows how the SRAS curve changes at different levels of price fexibility. R is helptu in anowering the tulowing questions According to the SRAS curve, f prices are prefecty fexible O Unexpected changes in the price level wil have a large effect on output. O Unexpected changes in the price level will have no etfect on output O Unexpected changes in tme price level will have some etfect on output O None of these Inflation rateFor each of the three theories for the upward slopeof the short-run aggregate-supply curve, carefullyexplain the following:a. how the economy recovers from a recession andreturns to its long-run equilibrium without anypolicy interventionb. what determines the speed of that recovery
- Assume that an economy operates according to the sticky-wage model. The nominal wagewas set to make labor supply and labor demand equal when the expected price levelequaled 120 (as measured by the consumer price index).a. Use a graph of the labor market to illustrate what happens to the quantity oflabor employed if the actual price level over the time period when wages arestuck equals 110.b. Use a graph of the production function to illustrate how the quantity of outputproduced changes if the actual price level equals 110 when the expected pricelevel is 120.c. Given the unexpectedly low price level, will this economy be operating above,below, or at the natural rate?The economy begins in longcrun equilibrium. Thenone day, the president appoints a new chair of theFederal Reserve. 11\is new chainnan is well known forher view that inflation is not a major problcn1 for aneconomy.a. How would this news affect the price level thatpeople would expect to prevail?b. How would this change in the expected pricelevel affect the nonlinal wage that workers andfmn.s agree to in their new labor contracts?c. How would this change in the nonlinal wageaffect the profitability of producing goods andservia,s at any given price level?d. How docs this change in profitability affect theshort-run aggregate-supply curve?e. ff aggregate demand is held constant, how docsthis sllift in the aggregate-supply curve affect theprice level and the quantity of output produced?f. Do you think this Fed chainnan was a goodappointment?What might shift the aggregate-supply curve tothe left? Use the model of aggregate demand andaggregate supply to trace the short-run and long-runeffects of such a shift on output and the price level.
- For each of the three theories for the upward slopeof the short-run aggregate-supply curve, e<~rcfullyexplain the following:tl. how the economy recovers from a recession andreturns to its long-run equilibrium without anypoUcy inrerventionb. what determines the speed of that recoveryIn the diagram, the economy has Aggregate price level LRAS SRAS, P, Aggregate Demand Yp Y, Real GDP An inflationary gap, so in the long run wages will fall, causing AD curve ti shift to the left. An inflationary gap, so in the long run wages will rise, causing the SRAS curve to shift to the left. O A recessionary gap, so in the long run wages will fall, causing the AD curve to shift to the left. O A recessionary gap, so in the long run wages will fall, causing the SRAS curve to shift to the right.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.
- Initialy, the chot run aggregate suply curve is SASO and the gte dand ose LAS SAS, 115 SAS 110 105 100 95 0.8 Reol GOP rilions of 2005 dollan 1.0 1.2 Using the above graph, amwer the following questions 1. Some events change aggregate demand from ADO to AD1 dentily two events that cot t othe ch demand. What is the equlitrium ater aggregate demand changed it poental GPn51n eonyt makroeconomic equilitrium? 2. Some events change apgregate supply hrom SASO to SAS1. Recogriae teo vert Dat cd ho eet t chrge supply. What is the equilibrlum after aggregate supply changed It potertial GDP in $1 tlion, den the aruny kae inflationary gap, a recessionary gap or no output gap? 3. Some events change aggregate demand fom ADO to ADI and aggrgale supy m SASO o SAS S macroeconomic equilibriumStartung trom keng run eaillium, itA suditen decrease en houtetd weath cnes a n AD thw coramy wiperience OA the same lee of pnces nd iower real GOP in the short run O higher pnces and lower real ODP the short. nn Oe. lower prles and lwe mal GOPhe shortrun a krwer ces and the same level of oDP n me shot runRefer to the accompanying figure. LRAS Inflation a A 0, y' Output O O An economy is currently in long-run equilibrium at point B, at an inflation rate of m, which is too high to sustain economic growth. If an anti-inflationary policy is enacted, the economy will be in short-run equilibrium at point creating gap. O SRAS O SRAS AD' AD A; an expansionary A; a recessionary D; a recessionary D; an expansionary