Since 1970, the U.S. federal government had a budget surplus
A) in almost every year.
B) in a few years in the 1990s.
C) only once, in 2008.
D) The U.S. federal government has not had a budget surplus since 1970.
B
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Autocorrelation of the error terms
A) makes it impossible to calculate homoskedasticity only standard errors. B) causes OLS to be no longer consistent. C) causes the usual OLS standard errors to be inconsistent. D) results in OLS being biased.
A physician's ability to induce demand is greatly enhanced when:
a. patients request follow-up visits. b. patients pay their own medical bills. c. treatment options are limited. d. patients have difficulty gathering and processing information. e. the physician follows strict treatment guidelines.
After a price floor of $23 is placed on the market in the graph shown, which area represents consumer surplus?
A. A + B + C + D B. A C. A + B + C D. A + B
If General Motors imports parts from its plants in Canada and Mexico for finished trucks that it will sell across the NAFTA region, what type of trade does this represent?
What will be an ideal response?