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30 Sep 2019

Which best describes the purpose served by economic models within an economic system?

(i) Economic models define global demand with accuracy.

(ii) Economic models illustrate economic theories and help in the identification of patterns.

(iii) Economic models determine the phase of the business cycle.

(iv) Economic models allow policymakers to create and implement changes.

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Jarrod RobelLv2

27 Jan 2019

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Related questions

1. According to economists today, economic growth depends on:

1) resources.

2) technology.

3) institutions.

4) resources and technology.

5) resources, technology, and institutions.

2. Which of the following is FALSE?

1) Real-world observations shape economic theory.

2) Economic theory shapes policy decisions.

3) Policies affect real-world events.

4) Economic theory has no impact on real-world events.

5) None of these statements is false.

3. After the Great Depression, the main focus of macroeconomics was:

1) growth theory.

2) the study of business cycles.

3) the study of stock markets.

4) the study of why businesses fail.

4. The Solow Growth Model serves as a foundation of:

1) macroeconomic theory.

2) microeconomic theory.

3) growth theory.

4) all economic theory.

5. According to the Solow Growth Model, which of the following is/are the primary source(s) of economic growth?

A - Natural resources

B - Human capital

C - Physical capital

D - A and B

E - A and C

F- B and C

G- A, B, and C

6. According to the Solow Growth Model, the marginal product of capital is:

1) zero and increases as the quantity of capital increases

2) zero and decreases as the quantity of capital increases.

3) negative and increases as the quantity of capital increases.

4) negative and decreases as the quantity of capital increases.

5) positive and increases as the quantity of capital increases.

6) positive and decreases as the quantity of capital increases.

7. If building new capital is costless and the capital depreciation rate is zero, then an economy will reach a steady state in which the marginal product of capital is:

1) equal to zero.

2) greater than zero.

3) less than zero.

8. Which of the following is true for an economy before it reaches the steady-state?

1) Investment and net investment are both positive.

2) Investment is positive but net investment is zero.

3) Investment is zero but net investment is positive.

4) Investment and net investment are both zero.

9. The idea of convergence suggests that when underdeveloped nations begin to develop, they typically have _____________ growth rates as they catch up to the developed nations.

1) higher

2) lower

3) similar

4) very low

10. Which of the following is true after allowing for sustained technological advance in the Solow Growth Model?

I. The steady-state situation is avoidable.

II. The marginal product of each unit of capital will increase.

III. A diminishing marginal product is avoidable.

Only I only II

Only III

I and II

I and III

II and III

I, II, and III

11. What is the primary difference between the basic Solow model and the second Solow model?

1) The models are theoretically similar. The second Solow model is only more mathematically complex than the basic model.

2) The second Solow model allows for technological change, while the basic model doesn't.

3) The basic Solow model features diminishing returns, in contrast to the second model.

4) The marginal product eventually becomes zero in the basic model, while such a situation is avoidable in the second Solow model.

12. All of the following can result in economic growth except:

1) improved schools and colleges.

2) a boost in population growth.

3) a favorable climate.

4) an improved health care system.

13. Which of the following will result in a movement along with the aggregate production function?

I. a technological advancement

II. training of the workforce

III. an increase in the country's capital stock

I and II

I and III

II and III

I, II, and III

14. Which of the following is NOT true about technological change in the Solow model?

1) Technological change is random.

2) Technological change occurs exogenously.

3) Technological change is driven by the incentives of the innovators.

4) Technological change is not due to any inherent characteristics of the economy.

15. What is the key difference between the new growth theory and the growth theory as envisioned by Solow?

1) There is no difference; technological change is endogenous in both these theories.

2) There is no difference; technological change is exogenous in both these theories.

3) Technological change is endogenous in the new growth theory and exogenous in the Solow theory.

4) Technological change is exogenous in the new growth theory and endogenous in the Solow theory.

16. Which of the following was proposed by the new growth theory?

I. Capital resources cannot grow indefinitely.

II. Technological change is caused by factors inside the economy.

III. Technological changes are entirely unpredictable events.

IV. Institutions matter.

I and II

I and IV

II and IV

III and IV

I, II, III, and IV

17. All of the following except _____________ are barriers to natural growth.

1) corruption

2) political instability

3) high tax rates

4) free markets

5) All of these are barriers to natural growth.

18. Which of the following is supported by the modern growth theory?

A - Population growth is an obstacle to economic growth.

B - Competition encourages the discovery of new goods and services, which leads to economic growth.

C - A country can grow faster if it disengages itself from international trade with foreign nations.

D - Taxes should be abolished, as they hurt incentives necessary for economic growth.

All of these. A and B

A, B, and D

19. According to the new growth theory, the low living standards in many developing countries can be explained by a lack of:

A - natural resources.

B - free markets.

C - sound institutions.

D - strong military resources.

all of these.

B and C.

A and D.

erinbuffalo510

Managers of a monopoly under rate of return regulation have an incentive to

a. underestimate the firm's costs.

b. exaggerate the firm's costs.

c. minimize the monopoly's deadweight loss.

d. exaggerate the firm's profit.

e. earn zero economic profit.

Which of the following is correct?
i. All linear demand curves have a constant slope and a constant price elasticity of demand.
ii. The price elasticity of demand changes while moving along a downward-sloping linear demand curve.
iii. The magnitude of the slope of all linear demand curves is equal to the price elasticity of demand.

a. iii only.

b. ii only.

c. i, ii, and iii.

d. i only.

e. i and ii.

________ natural monopolies is a commonly used, potential solution to the problems presented by natural monopolies.

a. Giving incentives to firms to become

b. Regulating

c. Breaking up firms that are

d. Outlawing price discrimination by

e. Refusing to grant patents to

In the short run, a perfectly competitive firm

a. must suffer an economic loss.

b. must earn an economic profit.

c. might make an economic profit, incur an economic loss, or make a normal profit.

d. must make either an economic profit or a normal profit.

e. must earn a normal profit.

To determine if a market is an oligopoly, we need to determine if

a. cartels are legal in their market.

b. the firms are so few that they recognize their mutual interdependencies.

c. the firms make identical or differentiated products.

d. there are many firms in the market.

e. the market's HHI is less than 900.

Increasing marginal returns to labor

a. occur only when there are increasing marginal returns to capital.

b. are the result of specialization and division of labor in the production process.

c. describe the portion of a total product curve where the marginal product is negative.

d. mean that two workers produce less than twice the output of one worker.

e. occur when a particularly efficient worker is employed.

The return to entrepreneurship, which is what the firm's owner could earn running another business, is known as

a. entrepreneur's profit.

b. economic profit.

c. excessive profit.

d. accounting profit.

normal profit.

Both price supports and a price floor can

a. decrease the price below the equilibrium price.

b. increase consumer surplus.

c. create a deadweight loss.

d. decrease output below the equilibrium quantity.

e. have no effect on producer surplus.

In economics, cost is ________, and benefit is ________.

a. the amount of money that you pay for something; the amount of money that someone else is willing to pay you
b. what you must give up to get something; what you are willing to give up to get it
c. the amount of money that you pay on the margin; the amount of money that you receive on the margin
d. what you are willing to give up to get it; what you must give up to get something
e. what you are willing to pay on the margin; what the government pays you when you are unemployed or retired

If a substitute good is easy to find, then demand for a good is

a. unit elastic.

b. perfectly inelastic.

c. elastic.

d. inelastic.

e. Substitutes don't have any effect on elasticity.

QUESTION 1

Rosina Gonzales quit her job in Pennsylvania and moved to California to be close to her family. She is currently looking for work, so she would be considered

		frictionally unemployed.
		cyclically unemployed.
		a discouraged worker.
		seasonally unemployed.

1 points

QUESTION 2

Discouraged workers

		are counted as unemployed workers when the unemployment rate is calculated.
		would decrease the unemployment rate if they were added to the number of unemployed workers.
		are counted as one-half of a worker in the unemployment statistics.
		would increase unemployment rate if they were added to the number of unemployed workers.

1 points

QUESTION 3

In measuring the unemployment rate, part-time workers are ________ and discouraged workers are ________.

		included as employed; included as unemployed
		excluded; excluded
		excluded; included as unemployed
		included as employed; excluded

1 points

QUESTION 4

Mary has decided that the she does not like Iowa and has decided to quit her job as a medical technician and move to Arizona. Mary's unemployment as she searches for a new job is best classified as

		frictional.
		cyclical.
		structural.
		seasonal.

1 points

QUESTION 5

When a golf caddy in Minnesota (where golf courses close in the winter) is unemployed in December, it is most likely the case that the golf caddy is

		cyclically unemployed during long droughts.
		frictionally unemployed during spring and summer.
		structurally unemployed during spring and summer.
		seasonally unemployed.

1 points

QUESTION 6

After graduating from college, Yunis, age 22, started working for his parent's real estate business as an unpaid assistant. He works 25 hours a week helping manage rental units . In the Current Population Survey, Yunis is considered

		part of the labor force and employed.
		part of the labor force and unemployed.
		a discouraged worker.
		not part of the labor force.

1 points

QUESTION 7

The working-age population includes

		youngsters between the ages of 14 and 16 if they are working at least part time.
		only employed people over the age of 16.
		those in jails and hospitals.
		employed and unemployed people over the age of 16.

1 points

QUESTION 8

Involuntary part-time workers are workers who

		work less than 35 hours but would like to work full time.
		work more than 35 hours but would like to work less than 35 hours.
		work less than 35 hours by choice.
		work have lost their jobs within the last four weeks and are seeking another job.

1 points

QUESTION 9

Frictional unemployment is the result of

		the normal process of jobs being created and destroyed.
		an economic recession.
		people not getting along (having friction) with their employers.
		the economic decline of major industries

1 points

QUESTION 10

Bill just graduated with his degree in economics. Through Career Services he submitted his resume to several companies and he will visit them during the next two weeks. Bill is considered

		not in the labor force.
		cyclically unemployed.
		frictionally unemployed.
		structurally unemployed.

1 points

QUESTION 11

Harry works at the video rental store for 20 hours per week. He's asked his boss to allow him to work 40 hours per week, but has been told that business is too slow. Harry is considered

		an involuntary part-time worker.
		a marginally attached worker.
		a discouraged worker.
		not in the labor force.

1 points

QUESTION 12

Discouraged workers who are over 16 years old are

i.not counted as unemployed.

ii.part of the working-age population.

iii.part of the labor force.

		i and ii
		ii and iii
		ii only
		i only

1 points

QUESTION 13

Higher unemployment benefits create

		higher seasonal unemployment as workers switch jobs.
		a lower number of job leavers.
		incentives for longer job searches and higher frictional unemployment.
		incentives for shorter job searches and higher structural unemployment.

1 points

QUESTION 14

Seasonal unemployment includes people who become unemployed from

		changes in the business cycle.
		technological changes.
		the seasonal weather patterns.
		normal changes in the labor force.

1 points

QUESTION 15

Cyclical unemployment is

		higher when the economy is expanding.
		always greater than the total of structural and frictional unemployment.
		the total of structural and frictional unemployment.
		created by a recession.

1 points

QUESTION 16

Which of the following people would be classified as employed in the Current Population Survey?

		April, who just graduated from college and is looking for work
		Jason, who was laid off from work less than 6 months ago but who has stopped looking for work
		Rich, who is working 20 hours a week but wants a full-time job
		Misty, who just quit her job to return full time to school

1 points

QUESTION 17

People who are willing and able to work but are not looking for work because they have been discouraged by their previous futile efforts are called

		discouraged workers.
		involuntarily unemployed.
		part-time lookers.
		unemployed workers.

1 points

QUESTION 18

Discouraged workers are included in the calculation of the

i.unemployment rate.

ii.labor force participation rate.

iii.working-age population.

		i and ii
		i only
		iii only
		ii only

1 points

QUESTION 19

As firms search for the best employee to fill an opening and the unemployed search for the job that best fits their skills, the economy experiences

		changes in the business cycle.
		cyclical unemployment.
		frictional unemployment.
		structural unemployment.

1 points

QUESTION 20

Suppose the U.S. population is 275 million. If 210 million people are of working age, 135 million are employed, and 6 million are unemployed, what is the labor force participation rate?

		64 percent
		67 percent
		76 percent
		49 percent

1 points

QUESTION 21

During a recession the unemployment rate generally ________ and during an expansion the unemployment rate generally ________.

		rises; rises
		rises; does not change
		falls; rises
		rises; falls

1 points

QUESTION 22

In January of 2001, the population of the United States was 276.8 million, the working-age population was 210.2 million, the total number of people employed was 140, and the total number of people unemployed was 5.0 million. What was the labor force participation rate?

		56 percent
		69 percent
		78 percent
		67 percent

1 points

QUESTION 23

If Brian, age 24, had no job but was available for work and had looked for a job the week before the survey, Brian is classified in the Current Population Survey as

		unemployed.
		employed.
		a discouraged worker.
		not in the labor force.

1 points

QUESTION 24

Julie works part-time for economic reasons. She would be considered

		an involuntary part-time worker.
		not in the labor force.
		a job seeker.
		a discouraged worker.

1 points

QUESTION 25

Suppose the population is 300 million people, the labor force is 200 million people, the number of people employed is 185 million, and the working-age population is 170 million people. What is the unemployment rate?