TBChap 007
TBChap 007
1. What does it mean for the U.S. economy to have a positively skewed wage distribution?
2. In the United States, the poorest 10 percent of households earn approximately what share of total income?
A. 2%
B. 5%
C. 10%
D. 20%
E. 50%
3. In the United States, the wealthiest 10 percent of households earn approximately what share of total
income?
A. 5%
B. 10%
C. 30%
D. 50%
E. 80%
A. Effort.
B. Productivity.
C. Social capital.
D. Luck.
E. All of the above.
7-1
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McGraw-Hill Education.
5. The positive correlation between ability and human capital investments "stretches out" wages in the
population, generating what?
6. Suppose the distribution of innate ability is distributed symmetrically throughout a population but that the
wage distribution is positively skewed. What most likely explains this?
8. How does the income distribution in the United States compare to other developed countries?
A. The income distribution is vastly more unequal in the United States compared to other developed
countries.
B. The income distribution is vastly more equal in the United States compared to other developed
countries.
C. The income distribution tends to be more unequal in the United States compared to other developed
countries, but not by a huge amount.
D. The income distribution tends to be more equal in the United States compared to other developed
countries, but not by a huge amount.
E. The income distribution must be the same in all developed countries, the United States included,
because of increased globalization.
7-2
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
10. What does the Gini coefficient measure?
A. There has been increasing inequality over the last 40 years because unskilled workers use no
technology.
B. There has been increasing inequality over the last 40 years among high-skilled workers.
C. Inequality has increased because technological advances have not kept pace with the demand for
education.
D. Inequality has increased because technological advances over the last 40 years have complemented the
productivity of skilled labor relative to unskilled labor.
E. Inequality has increased because technological advances over the last 40 years have complemented the
productivity of unskilled labor relative to foreign labor.
14. Which of the following measures would best allow one to compare the relative wealth of poor households
to the typical household in an economy?
7-3
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
15. The Gini coefficient in a perfectly unequal society will have a Gini coefficient of _____ while a perfectly
equal society will have a Gini coefficient equal to _____.
A. 0; 1
B. 1; 0
C. 0;
infinity
D. infinity;
0
E. -1; 1
16.
Which one of the following statements about the Gini coefficient is not true?
A. The Gini coefficient reflects the data shown in the Lorenz curve.
B. The Gini coefficient equals zero when there is perfect equality.
C. The Gini coefficient increases as income inequality increases.
D. The Gini coefficient must fall when the amount of income in an economy increases.
E. The Gini coefficient equals one when there is perfect inequality.
17.
Many studies measure inequality with the 90-10, 50-10, or 90-50 wage gaps rather than with the Gini
coefficient. Why?
A.
The Gini coefficient is poorly defined.
B.
The Gini coefficient is ambiguous in terms of where in the earnings distribution inequality exists.
C.
The Gini coefficient tends to jump around from one year to the next due to extreme outliers.
D.
The Gini coefficient is a poor measure of international comparisons of inequality.
E.
The Gini coefficient fails to take into account the entire wage distribution.
7-4
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
18. What is the approximate Gini coefficient associated with the following income distribution?
A. 0.08
B. 0.13
C. 0.23
D. 0.34
E. 0.48
19. Consider an economy with a particular distribution of income. Over the next 10 years, the income of all
households increases by $20,000. How will the Gini coefficient change over those 10 years?
7-5
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
20. In general terms, which of the following statements regarding changes in income inequality in the United
States is correct?
A.
Inequality has increased substantially over the last 40 years as witnessed by the Gini coefficient
increasing from about 0.1 in 1970 to over 0.7 in 2010.
B.
Inequality has increased slightly over the last 40 years as witnessed by the Gini coefficient increasing
from below 0.4 in 1970 to over 0.45 in 2010.
C.
Inequality has decreased substantially over the last 40 years as witnessed by the Gini coefficient
decreasing from about 0.5 in 1970 to almost 0.05 in 2010.
D.
Inequality has decreased substantially over the last 40 years as witnessed by the Gini coefficient
decreasing from about 0.8 in 1970 to just over 0.25 in 2010.
E.
Inequality has stayed about the same over the last 40 years as witnessed by a Gini coefficient that has
hovered around 0.6.
7-6
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
21.
How have average wages of college graduates compared to average wages of high school graduates over
the last 30 years?
A.
Relative college wages have held steady over the last 30 years, with college graduates earning about
60 percent more than high school graduates during the entire period.
B.
Relative college wages have held steady over the last 30 years, with college graduates earning about
90 percent more than high school graduates during the entire period.
C.
Relative college wages have increased drastically over the last 30 years, from being 50 percent more
than high school wages in 1980 to almost 100 percent more in 2010.
D.
Relative college wages have increased drastically over the last 30 years, from being 20 percent more
than high school wages in 1980 to almost 60 percent more in 2010.
E.
Relative college wages have decreased slightly over the last 30 years, from being 40 percent more than
high school wages in 1980 to just under 30 percent more in 2010.
22. In the United States over the last 30 years, wage differentials have
23. Which of the following statements regarding the increase in supply of high-skill labor in the United States
since 1960 as measured by education level is not true?
A. The percent of workers without a high school degree has fallen dramatically since 1960.
B. The percent of workers with a high school degree has fallen dramatically since 1960.
C. The percent of workers with a college degree has increased dramatically since 1960.
D. The percent of workers with an advanced degree has increased dramatically since 1960.
E. The supply of highly-skilled women to the workforce has increased dramatically since 1960.
7-7
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
24. Which of the following is not a possible explanation as to why wage inequality increased markedly over the
last 40 years in the United States?
A. There was an increase in the supply of low-skill workers, particularly through immigration.
B. Federal legislation allowed employers to legally engage in more racial discrimination.
C. Competition from international economies has increased demand for highly productive workers.
D.
Recent technological changes have been complementary to skilled labor while substituting for unskilled
labor.
E. Institutional changes in the United States such as a steady decline in union coverage and a falling real
minimum wage have led to changes in the wage distribution.
25. Large disparities in wages could possibly result from all but which one of the following?
26. Expansions in globalization and the reduction of trade barriers world-wide during the 1980s and 1990s
most likely had what effect on the demand for U.S. labor?
A. The demand for unskilled workers increased, while the demand for skilled workers decreased.
B. The demand for unskilled workers decreased, while the demand for skilled workers increased.
C. The demand for unskilled and skilled workers increased.
D. The demand for unskilled and skilled workers decreased.
E. The demand for unskilled workers increased, while the demand for skilled workers didn't change.
A. some people are paid extraordinary sums of money for talents that many people have.
B. a few people are paid extraordinary sums of money for extreme talents that only a few people have.
C. most people are paid relatively modest sums of money for talents that just a few people have.
D. superstars have talents that far exceed even the next best person in the field.
E. there are fewer superstars with the passing of time.
7-8
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
28.
Extraordinary earnings of superstars require
A.
a technology that allows the superstar’s output to be mass distributed.
B.
there to be only one superstar.
C.
all customers to agree on which potential superstar is the best.
D.
the superstar’s talents to be substantially better than anyone else’s talents.
E.
unification of international markets for the superstar’s services.
7-9
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
30.
In the context of intergenerational inequality, regression toward the mean is captured by which of the
following?
A.
The tendency for inequality to be wider as a country experiences economic growth.
B.
The tendency for countries to diverge in their inequality.
C.
The tendency for income differences across families to get smaller over time as the various families
move toward the mean income of the population.
D.
The tendency for the 90-50 wage gap to approach the 50-10 wage gap as a country experiences
economic growth.
E.
The tendency for the tax code to erode inequality by targeting the mean tax rate to mean income.
7-10
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
Chapter 07 The Wage Structure Answer Key
1. What does it mean for the U.S. economy to have a positively skewed wage distribution?
2. In the United States, the poorest 10 percent of households earn approximately what share of total
income?
A. 2%
B. 5%
C. 10%
D. 20%
E. 50%
3. In the United States, the wealthiest 10 percent of households earn approximately what share of total
income?
A. 5%
B. 10%
C. 30%
D. 50%
E. 80%
7-11
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
4. Wage differentials across individual workers are determined in part by:
A. Effort.
B. Productivity.
C. Social capital.
D. Luck.
E. All of the above.
5. The positive correlation between ability and human capital investments "stretches out" wages in the
population, generating what?
6. Suppose the distribution of innate ability is distributed symmetrically throughout a population but that
the wage distribution is positively skewed. What most likely explains this?
7-12
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
Accessibility: Keyboard Navigation
Blooms: Remember
Difficulty: 01 Easy
Topic: The Earnings Distribution
8. How does the income distribution in the United States compare to other developed countries?
A. The income distribution is vastly more unequal in the United States compared to other developed
countries.
B. The income distribution is vastly more equal in the United States compared to other developed
countries.
C. The income distribution tends to be more unequal in the United States compared to other developed
countries, but not by a huge amount.
D. The income distribution tends to be more equal in the United States compared to other developed
countries, but not by a huge amount.
E. The income distribution must be the same in all developed countries, the United States included,
because of increased globalization.
7-13
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
11. Which of the following does not measure inequality?
A. There has been increasing inequality over the last 40 years because unskilled workers use no
technology.
B. There has been increasing inequality over the last 40 years among high-skilled workers.
C. Inequality has increased because technological advances have not kept pace with the demand for
education.
D. Inequality has increased because technological advances over the last 40 years have complemented
the productivity of skilled labor relative to unskilled labor.
E. Inequality has increased because technological advances over the last 40 years have complemented
the productivity of unskilled labor relative to foreign labor.
7-14
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
14. Which of the following measures would best allow one to compare the relative wealth of poor
households to the typical household in an economy?
15. The Gini coefficient in a perfectly unequal society will have a Gini coefficient of _____ while a
perfectly equal society will have a Gini coefficient equal to _____.
A. 0; 1
B. 1; 0
C. 0;
infinity
D. infinity;
0
E. -1; 1
16.
Which one of the following statements about the Gini coefficient is not true?
A. The Gini coefficient reflects the data shown in the Lorenz curve.
B. The Gini coefficient equals zero when there is perfect equality.
C. The Gini coefficient increases as income inequality increases.
D. The Gini coefficient must fall when the amount of income in an economy increases.
E. The Gini coefficient equals one when there is perfect inequality.
7-15
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
17.
Many studies measure inequality with the 90-10, 50-10, or 90-50 wage gaps rather than with the Gini
coefficient. Why?
A.
The Gini coefficient is poorly defined.
B.
The Gini coefficient is ambiguous in terms of where in the earnings distribution inequality exists.
C.
The Gini coefficient tends to jump around from one year to the next due to extreme outliers.
D.
The Gini coefficient is a poor measure of international comparisons of inequality.
E.
The Gini coefficient fails to take into account the entire wage distribution.
18. What is the approximate Gini coefficient associated with the following income distribution?
A. 0.08
B. 0.13
C. 0.23
D. 0.34
E. 0.48
7-16
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
19. Consider an economy with a particular distribution of income. Over the next 10 years, the income of all
households increases by $20,000. How will the Gini coefficient change over those 10 years?
20. In general terms, which of the following statements regarding changes in income inequality in the
United States is correct?
A.
Inequality has increased substantially over the last 40 years as witnessed by the Gini coefficient
increasing from about 0.1 in 1970 to over 0.7 in 2010.
B.
Inequality has increased slightly over the last 40 years as witnessed by the Gini coefficient
increasing from below 0.4 in 1970 to over 0.45 in 2010.
C.
Inequality has decreased substantially over the last 40 years as witnessed by the Gini coefficient
decreasing from about 0.5 in 1970 to almost 0.05 in 2010.
D.
Inequality has decreased substantially over the last 40 years as witnessed by the Gini coefficient
decreasing from about 0.8 in 1970 to just over 0.25 in 2010.
E.
Inequality has stayed about the same over the last 40 years as witnessed by a Gini coefficient that
has hovered around 0.6.
7-17
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
21.
How have average wages of college graduates compared to average wages of high school graduates
over the last 30 years?
A.
Relative college wages have held steady over the last 30 years, with college graduates earning about
60 percent more than high school graduates during the entire period.
B.
Relative college wages have held steady over the last 30 years, with college graduates earning about
90 percent more than high school graduates during the entire period.
C.
Relative college wages have increased drastically over the last 30 years, from being 50 percent more
than high school wages in 1980 to almost 100 percent more in 2010.
D.
Relative college wages have increased drastically over the last 30 years, from being 20 percent more
than high school wages in 1980 to almost 60 percent more in 2010.
E.
Relative college wages have decreased slightly over the last 30 years, from being 40 percent more
than high school wages in 1980 to just under 30 percent more in 2010.
22. In the United States over the last 30 years, wage differentials have
7-18
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
23. Which of the following statements regarding the increase in supply of high-skill labor in the United
States since 1960 as measured by education level is not true?
A. The percent of workers without a high school degree has fallen dramatically since 1960.
B. The percent of workers with a high school degree has fallen dramatically since 1960.
C. The percent of workers with a college degree has increased dramatically since 1960.
D. The percent of workers with an advanced degree has increased dramatically since 1960.
E. The supply of highly-skilled women to the workforce has increased dramatically since 1960.
24. Which of the following is not a possible explanation as to why wage inequality increased markedly over
the last 40 years in the United States?
A. There was an increase in the supply of low-skill workers, particularly through immigration.
B. Federal legislation allowed employers to legally engage in more racial discrimination.
C. Competition from international economies has increased demand for highly productive workers.
D.
Recent technological changes have been complementary to skilled labor while substituting for
unskilled labor.
E. Institutional changes in the United States such as a steady decline in union coverage and a falling
real minimum wage have led to changes in the wage distribution.
25. Large disparities in wages could possibly result from all but which one of the following?
7-19
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
26. Expansions in globalization and the reduction of trade barriers world-wide during the 1980s and 1990s
most likely had what effect on the demand for U.S. labor?
A. The demand for unskilled workers increased, while the demand for skilled workers decreased.
B. The demand for unskilled workers decreased, while the demand for skilled workers increased.
C. The demand for unskilled and skilled workers increased.
D. The demand for unskilled and skilled workers decreased.
E. The demand for unskilled workers increased, while the demand for skilled workers didn't change.
A. some people are paid extraordinary sums of money for talents that many people have.
B. a few people are paid extraordinary sums of money for extreme talents that only a few people have.
C. most people are paid relatively modest sums of money for talents that just a few people have.
D. superstars have talents that far exceed even the next best person in the field.
E. there are fewer superstars with the passing of time.
28.
Extraordinary earnings of superstars require
A.
a technology that allows the superstar’s output to be mass distributed.
B.
there to be only one superstar.
C.
all customers to agree on which potential superstar is the best.
D.
the superstar’s talents to be substantially better than anyone else’s talents.
E.
unification of international markets for the superstar’s services.
7-20
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.
Blooms: Understand
Difficulty: 02 Medium
Topic: The Earnings of Superstars
30.
In the context of intergenerational inequality, regression toward the mean is captured by which of the
following?
A.
The tendency for inequality to be wider as a country experiences economic growth.
B.
The tendency for countries to diverge in their inequality.
C.
The tendency for income differences across families to get smaller over time as the various families
move toward the mean income of the population.
D.
The tendency for the 90-50 wage gap to approach the 50-10 wage gap as a country experiences
economic growth.
E.
The tendency for the tax code to erode inequality by targeting the mean tax rate to mean income.
7-21
Copyright © 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of
McGraw-Hill Education.