Recall the Application about how to wash carbon out of the air to answer the following question(s).This Application deals with the problem of ________ emissions in the atmosphere.
A. fracking
B. smog
C. carbon
D. None of these
Answer: C
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The price that represents the shutdown point for a perfectly competitive firm is the
a. highest point on the marginal cost curve b. lowest point on the marginal cost curve c. highest point on the average variable cost curve d. lowest point on the average variable cost curve e. lowest point on the average total cost curve
If the marginal propensity to consume is 0.75 and the equilibrium national income level is $500 billion, then a $25 billion increase in aggregate expenditure will cause the aggregate expenditure curve to shift
a. downward and national income to decrease by $33.3 billion b. upward and national income to increase by $33.3 billion c. downward and national income to increase by $25 billion d. upward and national income to increase by $100 billion e. upward and national income to decrease by $100 billion
?In the time series literature, the serial correlation-robust standard errors are sometimes called:
A. ?homoskedasticity and autocorrelation inconsistent standard errors. B. ?homoskedasticity and autocorrelation consistent standard errors. C. ?heteroskedasticity and autocorrelation inconsistent standard errors. D. ?heteroskedasticity and autocorrelation consistent standard errors.
According to the concept of present value, a $50 barrel of oil today is worth:
A. less than a $50 barrel in 2 years. B. more than a $50 barrel in 2 years. C. the same as a $50 barrel in 2 years. D. the same as a $50 barrel in 2 years, but only if there is no inflation during those 2 years.