C = 100 + 0.5 - (Y – T) I = 500 – 1000 -r where Y is real output and r is the real interest rate. Government purchases and taxes are Ğ = 500, T= 100. The LM (money market equilibrium) curve is Y P 5i where P is the price level and i is the nominal interest rate. The Central Bank (CB) is initially supplying M = 8000 units of money, and expected inflation is a = 0. Assume that the long-run equilibrium level of output is Y = 2000. Short-run equilibrium output is initially at the same level (Y = 2000). Suddenly, news of a new world-beating super-vaccine raises expected inflation to a = 0.05. 1. Explain how the short-run values of (r, i) are determined before the vaccine news shock. 2. Which, if any, of the graphs from Appendix C best depicts the change in the Keynesian cross due to the vaccine news shock? Explain. 3. Which, if any, of the graphs from Appendix A best depicts the short-run change in the interest rate(s) due to the vaccine news shock? Explain.

C = 100 + 0.5 - (Y – T) I = 500 – 1000 -r where Y is real output and r is the real interest rate. Government purchases and taxes are Ğ = 500, T= 100. The LM (money market equilibrium) curve is Y P 5i where P is the price level and i is the nominal interest rate. The Central Bank (CB) is initially supplying M = 8000 units of money, and expected inflation is a = 0. Assume that the long-run equilibrium level of output is Y = 2000. Short-run equilibrium output is initially at the same level (Y = 2000). Suddenly, news of a new world-beating super-vaccine raises expected inflation to a = 0.05. 1. Explain how the short-run values of (r, i) are determined before the vaccine news shock. 2. Which, if any, of the graphs from Appendix C best depicts the change in the Keynesian cross due to the vaccine news shock? Explain. 3. Which, if any, of the graphs from Appendix A best depicts the short-run change in the interest rate(s) due to the vaccine news shock? Explain.

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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