Indifference curves
A) are vertical.
B) are horizontal.
C) slope upward.
D) slope downward.
Answer: D
Economics
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The CPI in 1990 was 131, and the CPI in 2010 was 218. If you earned a salary of $40,000 in 1990, what would be a salary with equivalent purchasing power in 2010?
A) $45,977 B) $66,565 C) $87,200 D) $143,486
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In a business cycle, a period from trough to peak may be referred to as ________
A) a contraction B) an expansion C) a recurrence D) all of the above E) none of the above
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An improvement in technology would cause the long-run aggregate-supply curve to shift
a) left. b) downward. c) right. d) not at all but instead to remain constant.
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If the marginal cost were $18, output would be
A. 1.
B. 2.
C. 3.
D. 4.
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