Macroeconomics: Private and Public Choice
15th Edition
ISBN: 9781285453545
Author: Russell Sobel; Richard Stroup; James Gwartney; David Macpherson
Publisher: South-Western College Pub
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Question
Chapter 12, Problem 1CQ
To determine
Fiscal policy measures in the current economy.
Expert Solution & Answer
Explanation of Solution
For discretionary fiscal policy, there will be a problem of appropriate timing which may fail to provide desired result. Hence, the automatic stabilizers like
When the economy is in recession, the automatic stabilizers increases the government expenditure (spending) and reduces taxes. Alternatively, when there is an economic boom, these stabilizers reduce the government expenditure (spending) and increase the taxes.
These automatic stabilizers enlarge the budget deficit of the government. This increases the aggregate
Economics Concept Introduction
Discretionary fiscal policy: Discretionary fiscal policy refers to the change in government spending and taxes in order to achieve economic goals.
Automatic stabilizers: Automatic stabilizers are changes in fiscal policy that varies the aggregate demand during fluctuations in business cycle without the need for explicit action by policymakers.
Countercyclical fiscal policy: counter cyclical fiscal policy is an automatic action which operates in opposite direction from the fluctuations in business cycle through changes in government spending and tax revenue
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2.1 Body Mass Index (BMI) is a summary measure of relative health. It is calculated by dividing an
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X (Weekly exercise hours) Y (Body-Mass index)
QUESTION 3
2
4
6
8
10
12
41
38
33
27
23
19
Derek investigates the relationship between the days (per year) absent from work (ABSENT) and the
number of years taken for the worker to be promoted (PROMOTION). He interviewed a sample of 22
employees in Cape Town to obtain information on ABSENT (X) and PROMOTION (Y), and derived
the following:
ΣΧ
ΣΥ
341
ΣΧΥ
176 ΣΧ
1187
1012
3.1 By using the OLS method, prove that the constant and slope parameters of the…
QUESTION 2
2.1
[30]
Mariana, a researcher at the World Health Organisation (WHO), collects information
on weekly study hours (HOURS) and blood pressure level when writing a test
(BLOOD) from a sample of university students across the country, before running the
regression BLOOD = f(STUDY). She collects data from 5 students as listed below:
X (STUDY)
2
Y (BLOOD)
4
6
8
10
141
138
133
127
123
2.1.1 By using the OLS method and the information above derive the values for parameters
B1 and B2.
2.1.2 Derive the RSS (sum of squares for the residuals).
2.1.3 Hence, calculate ô
2.2
2.3
(6)
(3)
Further, she replicates her study and collects data from 122 students from a rival
university. She derives the residuals followed by computing skewness (S) equals -1.25
and kurtosis (K) equals 8.25 for the rival university data. Conduct the Jacque-Bera test
of normality at a = 0.05.
(5)
Upon tasked with deriving estimates of ẞ1, B2, 82 and the standard errors (SE) of ẞ1
and B₂ for the replicated data.…
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Chapter 12 Solutions
Macroeconomics: Private and Public Choice
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