The guidelines for whether or not to include an additional variable include all of the following, with the exception of
A) providing "full disclosure" representative tabulations of the results.
B) testing whether additional questionable variables have nonzero coefficients.
C) determining whether it can be measured in the population of interest.
D) being specific about the coefficient or coefficients of interest.
Answer: C
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Suppose that increased international trade makes product markets more competitive in the U.S. Given this information, we would expect to observe which of the following?
A) an upward shift in the WS curve B) a downward shift in the WS curve C) an upward shift in the PS curve D) a downward shift in the PS curve E) none of the above
Over the 1980s and 1990s, countries with sound fiscal, monetary, and trade policies and strong rule of law combined with large amounts of aid:
A. grew at 1 percent, indicating the necessity of good policy in conjunction with aid. B. still failed to grow, indicating new methods for furthering development are needed. C. saw GDP shrink by 1 percent, indicating corruption and inefficient use of funds is rampant. D. None of these statements is true.