Principles of Macroeconomics 2e
2nd Edition
ISBN: 9781947172388
Author: Steven A. Greenlaw; David Shapiro
Publisher: OpenStax
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Textbook Question
Chapter 13, Problem 20CTQ
Is it a logical contradiction to be a neoclassical Keynesian? Explain.
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5. Some people find options expensive and use more complex structures to reduce the cost. For
example, consider buying a call with a strike of $55 and selling a call with a strike of $60.
a. What is the cost of establishing this combined position?
b. What is the payoff of the combined position if the market price goes to $60?
c. What is the payoff of the combined position if the market price goes to $100?
3. An investor has $1,000 to invest. They believe the price of the underlier will increase to $60
within one year.
a. How many shares of stock could they buy with the $1,000 at the current price of $50,
and how much would they make if the share price increased to $60?
b. How many calls with a strike of $55 could they buy for the same $1,000, and how
much would they make if the share price increased to $60?
c. How much would they make (or lose) from the stock and from the calls if the share
price declined to $40?
4. What is the premium on a call with a strike of $0.01? Why is the premium so close to the $50
share price?
1. We want to examine the comparative statics of the Black Scholes model. Complete the
following table using the Excel model from class or another of your choice. Provide the call
premium and the put premium for each scenario.
Underlier
Risk-free
Scenario
price
rate
Volatility
Time to
expiration
Strike
Call
premium
Put
premium
Baseline
$50
5%
25%
1 year
$55
Higher strike
$50
5%
25%
1 year
$60
Higher volatility
$50
5%
40%
1 year
$55
Higher risk free
$50
8%
25%
1 year
$55
More time
$50
5%
25%
2 years
$55
2. Look at the baseline scenario.
a. What is the probability that the call is exercised in the baseline scenario?
b. What is the probability that the put is exercised?
c. Explain why the probabilities sum to 1.
Chapter 13 Solutions
Principles of Macroeconomics 2e
Ch. 13 - Do rational expectations tend to look back at past...Ch. 13 - Legislation proposes that the government should...Ch. 13 - Would it make sense to argue that rational...Ch. 13 - Summarize the Keynesian and Neoclassical models.Ch. 13 - Does neoclassical economics focus on the long term...Ch. 13 - Does neoclassical economics view prices and wages...Ch. 13 - What shape is the long-nm aggregate supply curve?...Ch. 13 - What is the difference between rational...Ch. 13 - A neoclassical economist and a Keynesian economist...Ch. 13 - Do neoclassical economists tend to focus more on...
Ch. 13 - Do neoclassical economists tend to focus more on...Ch. 13 - Do neoclassical economists see a value in...Ch. 13 - If aggregate supply is vertical, what role does...Ch. 13 - What is the shape of the neoclassical long-run...Ch. 13 - When the economy is experiencing a recession, why...Ch. 13 - If the economy is suffering through a rampant...Ch. 13 - If most people have rational expectations, how...Ch. 13 - Explain why the neoclassical economists believe...Ch. 13 - Economists from all theoretical persuasions...Ch. 13 - Is it a logical contradiction to be a neoclassical...Ch. 13 - Use Table 26.3 to answer the following questions....
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