Regulation that is based on allowing prices to reflect only the actual operating cost of production is known as
A) average cost regulation.
B) marginal cost regulation.
C) rate-of-return regulation.
D) cost-of-service regulation.
Answer: D
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The "effectiveness lag" in monetary policy is the amount of time it takes
A) to collect the data to determine if a policy change is required. B) for monetary policy to have an impact on inflation and unemployment. C) for monetary policy to affect the money supply. D) to collect the data to determine what effect monetary policy has had on the economy.
A clothing store can sell two shirts for $20 each or three shirts for $18 each. At a quantity of three shirts sold, marginal revenue is _____
a. $18 b. $14 c. $54 d. $20 e. $44
When earnings differentials are adjusted for such factors as age, education, and marital status, the
a. differential between the earnings of white males and those of minority males increases. b. differential between the earnings of white males and those of minority males decreases. c. corrected earnings of minority males are equal to those of similar white men. d. corrected earnings of minority males are greater than those of similar white men.
A consulting firm estimates the following quarterly sales forecasting model:Qt = a + bt +cDThe equation is estimated using quarterly data from 2005 I - 2015 III (t = 1,..., 43). The variable D is a dummy variable for the second quarter where: D = 1 in the second quarter, and 0 otherwise. The results of the estimation are:
Give the above, at the 1 percent level of significance, is there a statistically significant trend in sales?
A. No, since 1.02 < 2.704 B. Yes, since 1.86 > 0.55 C. Yes, since 3.38 > 2.704 D. No, since 1.86 < 2.704 E. No, since 0.55 < 1.86