1. a) Construct the AD-AS model showing AD, short run AS and long run AS intersecting at the potential output level and label this intersection Eo. Assume that this represents the Philippine economy before the pandemic. b) From the initial condition, illustrate in your graph how the pandemic affected the economy in the short run (was there a demand shock or supply shock or both)? c) Explain the reason for the shift in the curve or curves? d) Explain how the changes in the AD-AS model above have affected equilibrium real GDP, unemployment, and price level.

1. a) Construct the AD-AS model showing AD, short run AS and long run AS intersecting at the potential output level and label this intersection Eo. Assume that this represents the Philippine economy before the pandemic. b) From the initial condition, illustrate in your graph how the pandemic affected the economy in the short run (was there a demand shock or supply shock or both)? c) Explain the reason for the shift in the curve or curves? d) Explain how the changes in the AD-AS model above have affected equilibrium real GDP, unemployment, and price level.

Principles of Economics 2e

2nd Edition

ISBN:9781947172364

Author:Steven A. Greenlaw; David Shapiro

Publisher:Steven A. Greenlaw; David Shapiro

Chapter24: The Aggregate Demand/aggregate Supply Model

Section: Chapter Questions

Problem 32RQ: How is long-term growth illustrated in an AD/AS model?

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6.1.What is an AD-AS model and what does such a model as per the givendiagram essentially focus on?6.2.Discuss the diagram in detail by first explaining what leads to step Step 1(representing a shift in curves on the diagram) and indicating what occursto cause shifts in some of the curves. Then discuss Step 2 (whichrepresents other macroeconomic changes) and indicate what happens toother variables when there are shifts in some of the curves as per Step 1. 6.3.What, in general, do the points of intersection between the AS and AS2curves and the AD curve show?6.4.When the LAS curve moves to the right to LRAS2, what exactly do thepoints of intersection between the AS and AS curves and the AD1 curve,indicated as point 1 and point 2, reflect on the diagram?
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)
Explain, using the AD‐AS model, how the South African Government can usefiscal policy as a tool to recover from the negative effects of this COVID‐19pandemic. Your answer must include the following:An explanation of how the implementation of this tool will work their waythrough the economy to achieve the desired effect;
Suppose, initially the Australian economy is atfull employment(in other words the economy is atthe potentialGDP). Using AD-AS model, explain how would each of the following events aectthe economy both in theimmediate and in the long term.a) A slowdown in China’s economic growth due to the sub-prime crisis in the US.b) Union wage settlements push the wage rate up.c) An increase in consumer confidence.
The long run macroeconomic performance of an economy can be reflectedfrom the changes of her major macroeconomic indicators. With appropriateinterpretations of the changes to these indicators, one can identify the inherentstructural features of an economy, and hence, identify her strengths andweaknesses. In about 250 words, write a short essay on ONE economy from the list below:i. Singapore;ii. The United Kingdom;iii. The United States.In your essay, describe the changes of major macroeconomic indicators fromthe last decade. Using them to illustrate major structural features of the choseneconomy. Based on the above, identify ONE inherent problem implied bythese structural features that might limit her macroeconomic performance inthe long run. Suggest ONE practical government policy in dealing with thisinherent problem.
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
Changes in macroeconomic indicators can often be of relevance to business decision-making. For instance, changes in macroeconomic performance reflected in indicators can impact things such as firms profit forecasts, expected sales growth, expansion plans, etc.Assume you are employed as a business analyst with the large Australian based mining company. Identify and discuss how each of thefollowing macroeconomic issues may be relevant to the firm:a) A world-wide economic slow-down.b) Appreciation of the Australian dollar relative to other major currencies.c) The government abolishes subsidies to the mining industry.
How do the long-run model and the short-run model ft together? What isthe purpose of each model?
Y5 Consider an AS-AD model for the U.S. Suppose an economic expansion in Mexico increases income for the average Mexican household. Mexico is a large trading partner with the US. This expansion would cause: a. the U.S. price level to rise and real GDP to fall. b. the U.S. price level and real GDP to increase. c. the U.S. price level to fall and real GDP to rise. d. the U.S. price level and real GDP to fall.
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?
The imaginary country of Harris Island has theaggregate supply and aggregate demand curves as Table24.3 shows. a. Plot the AD/AS diagram. Identify theequilibrium.b. Would you expect unemployment in thiseconomy to be relatively high or low?c. Would you expect concern about inflation in thiseconomy to be relatively high or low?d. Imagine that consumers begin to lose confidenceabout the state of the economy, and so ADbecomes lower by 275 at every price level.Identify the new aggregate equilibrium.e. How will the shift in AD affect the originaloutput, price level, and employment?
What, precisely, are the two shocks? (For the purpose of this question,let’s ignore the signifcant role played by the fnancial crisis itself.)