In the 1980s and most of the 1990s, the U.S. government budget balance was ________ and the U.S. current account balance was ________.
A. negative; positive
B. negative; negative
C. positive; positive
D. positive; negative
Answer: B
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Which of the following statements is true?
A) Data are facts established by observation and measurement. B) Theories are statistics that describe the real world. C) Hypotheses are predictions that can be tested with data. D) Empirical evidences are facts, measurements, or statistics that describe the world.
The table above gives Cathy's total utility from Mt. Dew. Cathy's marginal utility from the 4th Mt. Dew is ________ units
A) 75 B) 90 C) 15 D) 82.5
Economists use the term "potential output" to refer to ________
A) a level of output that has not yet been achieved B) the maximum level of output of which an economy is capable C) the sum of finished goods plus goods in production that will be finished within the year D) the level of output that occurs when all prices are fully adjusted E) none of the above
Product differentiation:
a. refers to the attempt of firms to make their products look like those of the other firms in the industry. b. refers to the attempt of firms to make real or apparent differences in essentially substitutable products look different in the minds of the consumers. c. refers to the advantage big firms have in research and development. d. is a common characteristic of a perfectly competitive market structure. e. is only employed in a monopoly market structure.