The t-statistic measures
A) the efficiency of the t-test relative to the standard z-test.
B) the probability that the estimated coefficient is within the range of the standard error.
C) whether the estimated coefficient is independent of the standard error.
D) whether the estimated coefficient is large relative to the standard error.
D
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The difference between nominal GDP and real GDP is
A) the indirect taxes used in their calculations. B) the prices used in their calculations. C) that nominal GDP includes the depreciation of capital and real GDP does not. D) that nominal GDP includes net exports of goods and services and real GDP includes net imports. E) that real GDP includes the depreciation of capital and nominal GDP does not.
Everything else remaining unchanged, if a new seller enters a market to compete with an existing monopoly that is enjoying economies of scale, it will lead to:
A) higher profits for both firms. B) higher profits for the existing firm. C) lower profits for the existing firm. D) higher market power for the existing firm.