A) There is a positive correlation between the frequency of service and the number of passengers.
B) When there are 5 stops per hour,there are approximately 200 passengers.
C) More stops per hour is associated with more passengers per hour.
D) No other factors besides the frequency of service affect the number of passengers.
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Multiple Choice
A) positive statements,they are speaking not as policy advisers but as scientists.
B) positive statements,they are speaking not as scientists but as forecasters.
C) normative statements,they are speaking not as policy advisers but as scientists.
D) normative statements,they are speaking not as policy advisers but as model-builders.
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True/False
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Multiple Choice
A) The economy experiences economic growth.
B) There is a technological advance in the toy industry,but the greeting card industry experiences no such advance.
C) There is a technological advance in the greeting card industry,but the toy industry experiences no such advance.
D) All of the above are correct.
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Multiple Choice
A) using all of the scarce resources it has available.
B) conserving on resources,rather than using all available resources.
C) getting all it can get from the scarce resources it has available.
D) able to produce more than what is currently being produced without additional resources.
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Multiple Choice
A) the y-variable increases.
B) the y-variable decreases.
C) the y-variable stays the same.
D) the x-variable can never be positive.
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Multiple Choice
A) the finances necessary for firms to produce their products.
B) buildings and machines used in the production process.
C) the money households use to purchase firms' output.
D) stocks and bonds.
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Multiple Choice
A) Evaluating statements about how the world should be involves values as well as facts.
B) Positive statements can,in principle,be confirmed or refuted by examining evidence.
C) Normative statements can be judged using data alone.
D) Deciding what is good or bad policy is not just a matter of science.
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Multiple Choice
A) origin.
B) null.
C) zero coordinate.
D) center.
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Multiple Choice
A) A
B) B
C) C
D) D
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Multiple Choice
A) supply curves.
B) demand curves.
C) preference curves.
D) income-consumption curves.
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Multiple Choice
A) shift of the demand curve.
B) movement along the demand curve.
C) indication that the price of grapes has changed.
D) indication that the costs incurred by firms that produce grapes have changed.
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Multiple Choice
A) Office of Management and Budget.
B) Department of Labor.
C) Congressional Budget Office.
D) Department of the Treasury.
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Multiple Choice
A) are constructed to mirror reality as closely as possible,and in this respect economic models are no different from other scientific models.
B) are constructed to mirror reality as closely as possible,and in this respect economic models are very different from other scientific models.
C) are simplifications of reality,and in this respect economic models are no different from other scientific models.
D) are simplifications of reality,and in this respect economic models are very different from other scientific models.
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Multiple Choice
A) positive statements.
B) prescriptive statements.
C) claims about how the world should be.
D) More than one of the above is correct.
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Multiple Choice
A) teaching economics to people who have never before studied economics.
B) advancing their political agendas.
C) developing models when the scientific method cannot be used.
D) focusing their thinking.
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Essay
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View Answer
Multiple Choice
A) omitted variables.
B) reverse causality.
C) government propaganda.
D) medical incompetence.
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Multiple Choice
A) increases as more of the good is produced.
B) decreases as more of the good is produced.
C) does not change as more of the good is produced.
D) may increase,decrease,or not change as more of the good is produced.
Correct Answer
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Multiple Choice
A) shift of the demand curve.
B) indication of a change in preferences for grapes.
C) movement along the demand curve.
D) indication of an increase in income.
Correct Answer
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