Macroeconomics (Fourth Edition)
Macroeconomics (Fourth Edition)
4th Edition
ISBN: 9780393603767
Author: Charles I. Jones
Publisher: W. W. Norton & Company
Question
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Chapter 9, Problem 5E

(a)

To determine

Calculate the slope of the Phillips curve.

(b)

To determine

Check which is the better option while consider the short-run output rather than inflation rate.

(c)

To determine

Check which is the better option while consider the inflation rate rather than short-run output.

(d)

To determine

The trade-off in terms of Phillips curve.

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Suppose that the oil price sharply increased for a while, which increase.Can policymakers do something to accommodate this shock? Would the outcome  Suppose that the oil price sharply increased for a while, which increased production costs, causing an adverse supply shock. Can policymakers do something to accommodate this shock? Would the outcome be different in this case?
What are supply shocks? Why are policy choices hard when there are negative supply shocks? Would you model the pandemic of 2020 as a supply shock or a demand shock? Why?
What happened first was a major policy-induced supply shock. The lockdown forced firms in several directly affected sectors, from restaurants to hotels to airlines, to halt (or at least to drastically decrease) supply. In contrast to other supply shocks analyzed earlier in the book, many firms had no choice other than to stop or decrease production. As a result of sharply lower output, and thus lower income, and of increased uncertainty, this shock had a major effect on demand, not just in the sectors directly affected by the lockdown, but also in the non-affected sectors. Thus, the outcome was a combination of a supply shock and a sharp demand response. In that context, the role of macroeconomic policy was twofold. First: While it could not do much to increase output in the affected sectors, it needed to protect the firms in those sectors from going bankrupt and the workers who lost work from going hungry. Second: It needed to limit the effect of lower demand in the non-affected…
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