Assume an industry, currently dominated by one firm, experiences a large decline in fixed costs. This will
A) make entry of other firms more likely.
B) make entry of other firms less likely.
C) serve as higher barrier to entry.
D) induce the incumbent firm to exit the industry.
A
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Comparing the United States economy in the 1920s with the economy in the 1990s, both decades
A. had slow economic growth. B. had a lack of any government regulation of the stock market. C. suffered from economic depressions. D. had soaring stock
Suppose that three oligopolistic firms are currently charging $12 for their product. The three firms are about the same size
Firm A decides to raise its price to $18, and announces to the press that it is doing so because higher prices are needed to restore economic vitality to the industry. Firms B and C go along with Firm A and raise their prices as well. This is an example of A) price leadership. B) collusion. C) the dominant firm model. D) the Stackelberg model. E) none of the above
Which of the following is true of the White test?
A. The White test is used to detect the presence of multicollinearity in a linear regression model. B. The White test cannot detect forms of heteroskedasticity that invalidate the usual Ordinary Least Squares standard errors. C. The White test can detect the presence of heteroskedasticty in a linear regression model even if the functional form is misspecified. D. The White test assumes that the square of the error term in a regression model is uncorrelated with all the independent variables, their squares and cross products.
Starting from long-run equilibrium, a large tax increase will result in a(n) ________ gap in the short-run and ________ inflation and ________ output in the long-run.
A. recessionary; lower; potential B. expansionary; lower; potential C. expansionary; higher; potential D. recessionary; lower; lower