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Keisha can produce the following combinations of X and Y: 100X and 20Y,50X and 30Y,or 0X and 40Y.The opportunity cost of one unit of Y for Keisha is


A) 5 units of X.
B) 0.2 units of X.
C) 3 units of X.
D) 1/2 unit of X.
E) none of the above

F) A) and D)
G) B) and C)

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Exhibit 2-7 Exhibit 2-7   -Refer to Exhibit 2-7.Point F is A) unattainable if the economy's PPF is PPF<sub>1</sub>. B) inefficient if the economy's PPF is PPF<sub>2</sub>. C) attainable if the economy's PPF is PPF<sub>2</sub>. D) all of the above E) none of the above -Refer to Exhibit 2-7.Point F is


A) unattainable if the economy's PPF is PPF1.
B) inefficient if the economy's PPF is PPF2.
C) attainable if the economy's PPF is PPF2.
D) all of the above
E) none of the above

F) A) and E)
G) A) and D)

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Through war,many of the factories in country 1 are destroyed and many of its people are killed.As a result,the country's


A) production possibilities frontier (PPF) after the war has probably shifted to the right compared to its PPF prior to the war.
B) PPF after the war has probably shifted to the left compared to its PPF prior to the war.
C) PPF after the war is probably the same PPF as before the war.
D) ability to produce goods and services has increased.
E) b and d

F) B) and D)
G) All of the above

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In a situation where two goods can be produced by two different people,it is possible for one person to have a comparative advantage in the production of both goods and the other person to have the comparative advantage in the production of neither good.

A) True
B) False

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Exhibit 2-5 Exhibit 2-5   -Refer to Exhibit 2-5.Which of the following labeled points are productive efficient? A) A,B,C,D,and E B) B,C and D only C) C only D) All of the points are productive efficient. E) None of the points are productive efficient. -Refer to Exhibit 2-5.Which of the following labeled points are productive efficient?


A) A,B,C,D,and E
B) B,C and D only
C) C only
D) All of the points are productive efficient.
E) None of the points are productive efficient.

F) A) and D)
G) A) and E)

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If an economy can produce a maximum of 10 units of good X and the opportunity cost of 1X is always 2Y,then what is the maximum units of good Y the economy can produce?


A) 5
B) 200
C) 20
D) 500
E) none of the above

F) C) and D)
G) B) and E)

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Within the production possibilities frontier (PPF) framework,choice is depicted by the


A) PPF itself.
B) PPF being bowed outward.
C) need to select among the points making up the PPF.
D) straight-line PPF.

E) A) and B)
F) B) and C)

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Exhibit 2-7 Exhibit 2-7   -Refer to Exhibit 2-7.Which of the following statements is true? A) Points B and D are more efficient than points A and C. B) If the economy's PPF is represented by PPF<sub>1</sub>,points A and B are productive efficient,while C and D are unattainable. C) If the economy's PPF is represented by PPF<sub>2</sub>,points C and D are productive efficient,while A and B are unattainable. D) both a and c -Refer to Exhibit 2-7.Which of the following statements is true?


A) Points B and D are more efficient than points A and C.
B) If the economy's PPF is represented by PPF1,points A and B are productive efficient,while C and D are unattainable.
C) If the economy's PPF is represented by PPF2,points C and D are productive efficient,while A and B are unattainable.
D) both a and c

E) None of the above
F) All of the above

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If the law of increasing opportunity costs is operable,and currently the opportunity cost of producing the 101st unit of good X is 5Y,then the opportunity cost of producing the 201st unit of good is X is most likely to be


A) less than 5Y.
B) more than 1/5Y but less than 5Y.
C) more than 5Y
D) less than 1/5Y but more than zero.

E) B) and C)
F) A) and B)

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Technological __________ in American agriculture has __________ other types of employment.


A) improvement;drawn labor away from
B) improvement;released labor to go to
C) stagnation;drawn labor away from
D) stagnation;released labor to go to

E) B) and C)
F) All of the above

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Between 1910 and today,the number of farmers in the United States _____________ dramatically as a result of ___________________ in farming in the twentieth century.


A) dropped;technological improvements
B) rose;technological improvements
C) dropped;technological declines
D) rose;technological declines

E) None of the above
F) B) and C)

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Country X has a high unemployment rate.It follows that country X is operating


A) beyond its production possibilities frontier (PPF) .
B) on its PPF.
C) inside (below) its PPF.
D) at a productive efficient point.
E) b and d

F) A) and E)
G) A) and D)

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If the PPF for two goods is a downward-sloping straight line,the resources used to produce those goods are equally well suited to the production of both goods.

A) True
B) False

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What is the reason for the law of increasing opportunity costs?


A) There is no reason: it is just one of the laws of economics.
B) Resources have varying abilities and those with lower opportunity costs of producing a good will be used to produce it before resources with higher opportunity costs produce it.
C) The price of a good rises as more of it is demanded.
D) As more of a good is produced,the taxes applied to the production of the good rise.
E) c and d

F) D) and E)
G) B) and C)

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When an economy is not using all of its resources,it is producing at a point below its production possibilities frontier.

A) True
B) False

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Consider two points on the PPF: point A,at which there are 50 oranges and 100 apricots,and point B,at which there are 51 oranges and 98 apricots.If the economy is currently at point B,the opportunity cost of moving to point A is


A) 2 apricots.
B) 1 orange.
C) 98 apricots.
D) 3 oranges.

E) None of the above
F) B) and D)

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Productive inefficiency implies that


A) it is possible to obtain gains in one area without losses in another.
B) it is impossible to obtain gains in one area without losses in another.
C) there are too many resources.
D) there are too few resources.
E) none of the above

F) A) and C)
G) B) and D)

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If the law of increasing opportunity costs is operable,and currently the opportunity cost of producing the 1,000th unit of good X is 0.5Y,then the opportunity cost of producing the 2,001st unit of good is X is most likely to be


A) less than 0.5Y.
B) more than 0.5Y but less than 2Y.
C) more than 0.5Y
D) less than 0.5Y but more than zero.
E) none of the above

F) D) and E)
G) A) and E)

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Give a definition of an advance in technology.Suppose that you are drawing a PPF for civilian goods and military goods,describe the effect on the PPF of an advance in technology in both civilian goods and military goods.How would the impact on the PPF be different if the technological improvement only helped in the production of military goods,but not civilian goods?

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An advance in technology commonly refers...

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The PPF between goods X and Y will be a downward-sloping


A) straight line if increasing opportunity costs exist.
B) straight line if decreasing opportunity costs exist.
C) curve that is bowed outward if increasing opportunity costs exist.
D) curve that is bowed outward if constant opportunity costs exist.

E) All of the above
F) A) and B)

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