In the regression model Yi = ?0 + ?1Xi + ?2Di + ?3(Xi × Di) + ui, where X is a continuous variable and D is a binary variable, to test that the two regressions are identical, you must use the
A) t-statistic separately for ?2 = 0, ?2 = 0.
B) F-statistic for the joint hypothesis that ?0 = 0, ?1 = 0.
C) t-statistic separately for ?3 = 0.
D) F-statistic for the joint hypothesis that ?2 = 0, ?3= 0.
Ans: D) F-statistic for the joint hypothesis that ?2 = 0, ?3= 0.
Economics
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The market supply curve is always closer to the vertical axis than the individual supply curves
a. True b. False Indicate whether the statement is true or false
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