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 D, Problem 8RQ
Exercise D8
What determines the slope of a consumption function?
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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]
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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
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You invented a new lateral-flow test for asymptomatic Covid-19 detection,
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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 D Solutions
Principles Of Economics 2e
Ch. D - Exercise D6 What is on the axes of an...Ch. D - Exercise D7 What does the 45-degree line show?Ch. D - Exercise D8 What determines the slope of a...Ch. D - Exercise D9 What is the marginal propensity to...Ch. D - Exercise D10 Why are the investment function, the...Ch. D - Exercise D11 Why does the import function slope...Ch. D - Exercise D12 What are the components on which the...Ch. D - Exercise D13 Is the equilibrium in a Keynesian...Ch. D - Exercise D14 What is an inflationary gap? A...Ch. D - Exercise D15 What is the multiplier effect?
Ch. D - Exercise D16 Why are savings, taxes, and imports...Ch. D - Exercise D17 Will an economy with a high...Ch. D - Exercise D18 How do economists use the multiplier?Ch. D - Exercise D19 What does it mean when the aggregate...Ch. D - Exercise D20 Which model, the AD/AS or the AE...Ch. D - Exercise D21 What are some reasons that the...Ch. D - Exercise D22 What should the government do to...Ch. D - Exercise D23 Two counties are in a recession....Ch. D - Exercise D24 Compare two policies: a tax cut on...Ch. D - Exercise D25 What role does government play in...Ch. D - Exercise D26 If there is a recessionary gap of 100...Ch. D - Exercise D27 What other changes in the economy can...
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