An increase in U.S. sales of movies to other countries raises U.S
a. exports and so raises the U.S. trade balance.
b. exports and so reduces the U.S. trade balance.
c. imports and so raises the U.S. trade balance.
d. imports and so reduces the U.S. trade balance.
a
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Consider the special panel case where T = 2. If some of the omitted variables, which you hope to capture in the changes analysis, in fact change over time, then the estimator on the included change regressor
A) will be unbiased only when allowing for heteroskedastic-robust standard errors. B) may still be unbiased. C) will only be unbiased in large samples. D) will always be unbiased.
In terms of the competing claims of equality and efficiency, in the United States we have
a. chosen greater wage inequality for lower unemployment. b. chosen higher unemployment for less wage inequality. c. both greater wage inequality and higher unemployment. d. not faced a trade-off between wage inequality and unemployment. e. been able to choose both less wage inequality and lower unemployment.