If a demand shock causes AD to increase, and with it some inflation to occur in the short run, then we demonstrate the effect of rising costs in the long run by Select one: a. shifting SRAS back to the left. b. shifting LRAS out to the right. c. shifting AD back to the left. d. shifting the AD/SRAS intersection down.

If a demand shock causes AD to increase, and with it some inflation to occur in the short run, then we demonstrate the effect of rising costs in the long run by Select one: a. shifting SRAS back to the left. b. shifting LRAS out to the right. c. shifting AD back to the left. d. shifting the AD/SRAS intersection down.

ECON MACRO

5th Edition

ISBN:9781337000529

Author:William A. McEachern

Publisher:William A. McEachern

Chapter10: Aggregate Supply

Section: Chapter Questions

Problem 2.3P

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n the AD-AS model, assume that an economy’s aggregate demand, denoted by QD=400−P, and SR aggregate supply, denoted by QS=P, currently intersect at price level = $200 and the full employment output level = 200. What curve would have shifted if a new short-run equilibrium were to occur at an output level of 300 and a price level of $300? Group of answer choices SRAS shifts leftward. AD shifts leftward. SRAS shifts rightward. AD shifts rightward.
question 3Consider the AS-AD and three-equations models of a closed economy discussed in the course.(a). Write down the expressions for the AS and AD curves and interpret the expressions: what is the intuition behind the two curves? What must be true of the model parameters and variables in the long-run equilibrium, i.e. in the steady state?(b). Analyse the effects of an oil supply shock that causes a temporary increase in inflation, using the three-equation model. Assume that the shock lasts for one-period and then assumes the value 2%. Describe the mechanisms that bring the economy back to long-run equilibrium. What happens to aggregate demand?(c). Consider an economy that starts out in steady state when the central bank decides to make the inflation target more ambitious. Analyse the effects of a decrease in the inflation target from ? to ??. Explain the mechanisms behind the adjustment to the new steady state.
1 1A) Using the static AD/AS model to explain how the job keeper (wage subsidy) policy worked to sustain the economy even though unemployment rate in Australia had increased during Covid-19 period? 1B) justify in detail the difference between U shaped recoveries and V shaped recoveries?
Using a separate set of AS-AD diagrams for each of the following scenarios, explain what is likely to happen to the output (Y), unemployment, price level, and inflation in the short run, making sure to explain the shifts in any curve: a. U.S. households decide to save more and more than doubles the total savings per year. b. With the news of rapid vaccinations, the consumer and business confidence surges. c. Natural gas is now the most important source of power in the U.S. And, since the advent of fracking, it is also the cheapest. New administration imposes a ban on fracking which increases the prices of not only natural gas, but all carbon fuels. d. The U.S. is currently described as mostly recovered from the pandemic induced recession. Congress and the White House enacts a $2 Trillion “infrastructure” spending.
All else equal, a decline in price of inputs across the economy — such as labor — causes 6) A) Rightward shift of aggregate demand [AD] and a higher real GDP [Y] B) Leftward shift of aggregate supply [AS] and a lower Y C) Rightward shift of AS and a higher Y D) Leftward shift of AD and deflation
Please note that this is a multi part quesition; thank you so much for your time and effort it means so much to me! Figure 1: Hayek’s (Classical) AD-AS Model (Image normally goes here) Part 1: Why does Hayek’s aggregate supply curve always lead to an equilibrium level of national output equal to the full-employment level of real GDP? Part2: Hayek says that markets will heal themselves and that government should not intervene. How does the AD-AS model reflect Hayek’s idea that governments cannot increase real GDP beyond the level that the free market economy is able to produce? Part 3: Do you believe that the Hayek’s classical AD-AS model explain the factors that cause changes (shifts) in AS realistically? Why or why not?
Q. 2 The outbreak of COVID-19 has had a significant impact on the economy. Let’s assume a COVID shock that leads to lockdown, and we start from the medium equilibrium output level, Yn. Please explain the impacts of the pandemic and lockdown on the economy using the ASAD framework. a) Show the impacts of the pandemic and lockdown on the economy in the short run by drawing the diagram of AS-AD model
Please no written by hand solution Consider the following economic situations:C = $4.0 trillionI = $1.5 trillionG = $3.0 trillionT = $3.0 trillionNX = $1.0 trillionF = 0mpc = 0.8d = 0.35x = 0.15r = 1% λ = 0.5A. Calculate an expression for the IS, MP and AD curves ( r= ?, IS Y= ?, AD Y=?)B. Let AS curve be given by the relation: π = 6 + 1.5 (Y - 25.5) (i.e. the price shock is zero). What are the equilibrium values of inflation, output and the real interest rate(π, Y, r)?C. Suppose government purchases are raised from $3.0 trillion to $3.5 trillion. What are new short-run equilibrium inflation values, output and the real interest rate (π, Y, r}?D. Suppose a financial crisis begins, and ƒ increases ƒ = 3. (Assume government purchases are again as in part (a). What are the new short-run equilibrium values of inflation, output, and the interest rate (π, Y, r}?(Please solve all the parts with numerical steps so it could be practiced easily)
a. write down the expressions for the AS and AD curves and interpret the expressions. what is the intuition behind the two curves? what must be true of the model parameters and variables in the long run equilibrium? b. analyze the effects of an oil supply shock that causes a temporary increase in the inflation, using the three-equation model. assume that the shock lasts for one period and then assumes the value 2%. describe the mechanisms that bring the economy back to long-run equilibrium. what happens to aggregate supply? c. consider an economy that starts out in steady state when the central bank decides to make the inflation target more ambitious. analyze the effects of a decrease in the inflation target from m to mt. explain the mechanism behind the adjustment to the new steady state.
real business cycle theory suggest that _______ not important in explaining short-term fluctuations around actual output a. aggregate supply is b. potential output is c. real variables are d. aggregate demand is
3. a) Using AD-AS model, explain how a negative demand shock due to COVID 19 will affect the economy in the short run and long run (Show short run and long run adjustment in a single diagram).
1. Using the AS-AD model, graph and explain the effects of Covid-19 on the U.S. macroeconomy by comparing 2019 vs. 2020. Label the years on all curves, the axis, and the equilibrium. Ignore macroeconomic policy responses, such as the CARES act. Which curves shifted which direction, and why? 2. Now introduce any macroeconomic policy response. What curves shift which direction, and why? 3. What were the equilibrium quantities for both axis?