Principles of Economics 2e
2nd Edition
ISBN: 9781947172364
Author: Steven A. Greenlaw; David Shapiro
Publisher: OpenStax
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Textbook Question
Chapter 25, Problem 16RQ
How did the Keynesian perspective address the economic market failure of the Great Depression?
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Consider the simple discrete job search model that we studied in class. Only the
unemployed can receive one offer per period from F(w) that is a uniform distribution on
[0,2]. There is a constant probability of being laid off at the end of each period while
employed. Assume that she can get a new offer right away when laid off. We want to
understand the reservation wage, WR, in this model. Assume that u(c) = c. The
parameters are a discount factor ẞ and an unemployment benefit b.R and show that T is contraction on [0, ∞). Explicitly state
any additional assumptions that you may need.(Grading guide line: 5pt for the
exact form of T, 10pt for showing contraction, and 5pt for stating correct
assumptions.)<
(b) Discuss why (a) is useful to understand the reservation wage wд in this
economy.<
(c) We write WR = WR (b,ẞ,λ) to reveal its dependence on (b,ẞ,λ). Show that 0 ≤
aWR
дь
OWR
дл
≤1 and ≥0. What about ?
awR
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State any additional assumptions that you may need.<
(d) Briefly explain the…
3. Consider the market for paper. The process of producing paper creates pollution. Assume that
the marginal damage function for pollution is given by:
MDF = 3E
where damages are measured in dollars and E is the level of emissions. Assume further that the
function describing the marginal abatement cost of emissions is given by
MAC 120-E
where benefits are measured in dollars and E is the level of emissions.
a. Graph the marginal damage function (MDF) and the marginal abatement cost function
(MAC).
b. What is the unregulated level of emissions Eu? What is the social welfare of this emissions
level?
c. Assume an existing emission quota limits emissions to E = 60. Show on the graph why this
policy is inefficient. What is the deadweight loss caused by this policy?
show written calculation for B
Chapter 25 Solutions
Principles of Economics 2e
Ch. 25 - In the Keynesian framework, which of the following...Ch. 25 - In a Keynesian framework, using an AD/AS diagram,...Ch. 25 - Use the AD/AS model to explain bow an inflationary...Ch. 25 - Suppose the U.S. Congress cuts federal government...Ch. 25 - How would a decrease in energy prices affect the...Ch. 25 - Does Keynesian economics require government to set...Ch. 25 - List three practical problems with the Keynesian...Ch. 25 - Name some economic events not related to...Ch. 25 - Name some government policies that cod cause...Ch. 25 - From a Keynesian point of view, which is more...
Ch. 25 - Why do sticky wages and prices increase the impact...Ch. 25 - Explain what economists mean by menu costs.Ch. 25 - What tradeoff does a Phillips curve show?Ch. 25 - Would you expect to see long-run data trace out a...Ch. 25 - What is the Keynesian prescription for recession?...Ch. 25 - How did the Keynesian perspective address the...Ch. 25 - In its recent report, The Conference Boards Global...Ch. 25 - What may happen if growth in China continues or...Ch. 25 - Does it make sense that wages would be sticky...Ch. 25 - Suppose the economy is operating at potential GDP...Ch. 25 - Do you think the Phillips curve is a useful tool...Ch. 25 - Return to the table from the Economic Report of...Ch. 25 - Explain what types of policies the federal...
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