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The x-coordinate is the


A) first number of an ordered pair and represents the point's horizontal location.
B) second number of an ordered pair and represents the point's horizontal location.
C) first number of an ordered pair and represents the point's vertical location.
D) second number of an ordered pair and represents the point's vertical location.

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

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It is possible for an economy to increase its production of both goods if the economy


A) moves downward and to the right along its production possibilities frontier and the frontier is bowed outward.
B) moves upward and to the left along its production possibilities frontier and the frontier is bowed outward.
C) moves in either direction along its production possibilities frontier and the frontier is a straight line.
D) moves from a situation of inefficient production to a situation of efficient production.

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

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For economists,substitutes for laboratory experiments often come in the form of


A) natural experiments offered by history.
B) untested theories.
C) "rules of thumb" and other such conveniences.
D) reliance upon the wisdom of elders in the economics profession.

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

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Figure 2-4 Figure 2-4   -Refer to Figure 2-4.The opportunity cost of obtaining 20 additional lamps by moving from point W to point V is A)  0 notepads. B)  10 notepads. C)  50 notepads. D)  None of the above;the economy cannot move from point W to point V. -Refer to Figure 2-4.The opportunity cost of obtaining 20 additional lamps by moving from point W to point V is


A) 0 notepads.
B) 10 notepads.
C) 50 notepads.
D) None of the above;the economy cannot move from point W to point V.

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

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In the markets for the factors of production in the circular-flow diagram,households are buyers and firms are sellers.

A) True
B) False

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Figure 2-3 Figure 2-3   -Refer to Figure 2-3.Unemployment could cause this economy to produce at which point(s) ? A)  J,L B)  J,L,M C)  K,N D)  M -Refer to Figure 2-3.Unemployment could cause this economy to produce at which point(s) ?


A) J,L
B) J,L,M
C) K,N
D) M

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

Correct Answer

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Figure 2-1 Figure 2-1   -Refer to Figure 2-1.Which arrow represents the flow of income payments? A)  A B)  B C)  C D)  D -Refer to Figure 2-1.Which arrow represents the flow of income payments?


A) A
B) B
C) C
D) D

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

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Normative statements describe how the world is,while positive statements prescribe how the world should be.

A) True
B) False

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An outcome is said to be efficient if an economy is getting all it can from the scarce resources it has available.

A) True
B) False

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