Principles Of Economics 2e
2nd Edition
ISBN: 9781680920864
Author: Timothy Taylor, Steven A. Greenlaw, David Shapiro
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 20, Problem 6SCQ
What policies can the government of a free-market economy implement to stimulate
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2. Question
The 'Democratic Family' consists of three members {mother m, father f, daughter
d}, that have different preferences with respect to how much money X € [0,8]
they think should be invested in the new family car. These preferences can be
represented by the following utility functions:
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Mother m: um(X) = 2X - X²
Father f: uf(X) = 10X - X²
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Calculate for each family member (f, m, d) the preferred amount of money
to invest in the new car denoted by X; for i = {m, f,d}. Assume that
(Xf, Xm, Xd) are the three alternatives on which the family must decide. Show
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Preferences on the family level are determined by pairwise majority voting (all
family members vote on two alternatives). Derive the family preference and
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Assume that the final family decision is made by conducting sequential pair-
wise majority voting, where the loosing alternative is eliminated. Does…
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You invented a new lateral-flow test for asymptomatic Covid-19 detection,
where saliva is entered into a test-tube and then the result is shown directly
on the device. However, to save on costly chemicals you designed the tests
such that it always reports a negative test result. Assume that the incidence
rate is 5 per 1000 and that your test is used for detection of asymptomatic
cases (without symptoms).
(a) Calculate the probability that 100 randomly determined volunteers receive
a correct test result by using the AND-rule and the OR-rule. Can your
test be qualified as a diagnostic test?
(b) The health authorities are investigating the performance of your test.
Government guidelines require a specificity (conditional probability to re-
ceive a negative test result given that the test-taker is not infected with
COVID19) of at least 97% and a sensitivity (conditional probability to
receive a positive test result given that the test-taker is infected with
COVID-19) of at…
3. Question
You invented a new lateral-flow test for asymptomatic Covid-19 detection,
where saliva is entered into a test-tube and then the result is shown directly
on the device. However, to save on costly chemicals you designed the tests
such that it always reports a negative test result. Assume that the incidence
rate is 5 per 1000 and that your test is used for detection of asymptomatic
cases (without symptoms).
(a) Calculate the probability that 100 randomly determined volunteers receive
a correct test result by using the AND-rule and the OR-rule. Can your
test be qualified as a diagnostic test?
(b) The health authorities are investigating the performance of your test.
Government guidelines require a specificity (conditional probability to re-
ceive a negative test result given that the test-taker is not infected with
COVID19) of at least 97% and a sensitivity (conditional probability to
receive a positive test result given that the test-taker is infected with
COVID-19) of at…
Chapter 20 Solutions
Principles Of Economics 2e
Ch. 20 - Explain what the Industrial Revolution was and...Ch. 20 - Explain the difference between property rights and...Ch. 20 - Are there other ways in which we can measure...Ch. 20 - Assume there are two countries: South Korea and...Ch. 20 - What do the growth accounting studies conclude are...Ch. 20 - What policies can the government of a free-market...Ch. 20 - List the areas where government policy can help...Ch. 20 - Use an example to explain why, after periods of...Ch. 20 - Would the following events usually lead to capital...Ch. 20 - What are the advantages of backwardness for...
Ch. 20 - Would you expect capital deepening to result in...Ch. 20 - Why dues productivity growth in high-income...Ch. 20 - How did the Industrial Revolution increase the...Ch. 20 - How much should a nation be concerned if its rate...Ch. 20 - How is GDP per capita calculated differently from...Ch. 20 - How do gains in labor productivity lead to gains...Ch. 20 - What is an aggregate production function?Ch. 20 - What is capital deepening?Ch. 20 - What do economists mean when they refer to...Ch. 20 - For a high-income economy like the United States,...Ch. 20 - List some arguments for and against the likelihood...Ch. 20 - Over the past 50 years, many countries have...Ch. 20 - Labor Productivity and Economic Growth outlined...Ch. 20 - Change in labor productivity is one of the most...Ch. 20 - Refer back to the Work It Out about Comparing the...Ch. 20 - Education seems to be important for human capital...Ch. 20 - Describe some of the political and social...Ch. 20 - Why is investing in girls education beneficial for...Ch. 20 - How is the concept of technology, as defined with...Ch. 20 - What sorts of policies can governments implement...Ch. 20 - As technological change makes us more sedentary...Ch. 20 - An economy starts off with a GDP per capita of...Ch. 20 - An economy starts off with a GDP per capital of...Ch. 20 - Say that the average worker in Canada has a...Ch. 20 - Say that the average worker in the U.S. economy is...
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