Suppose that you estimated (1) w B +B za +e and based on the results, rejected the hypothesis that B2 = 0. You also estimated (II) y=n+2 za +n4 + and based on the results of that second estimation, you rejected the hypothesis that y3 = 0. You then estimated %3D (III) za = d1 + ôz z, + 4 and did not rejected the hypothesis that &2 = 0. What can you conclude from these results? %3D O There is evidence that the OLS estimator by for 32 in model ( I) is inconsistent O There is evidence that 17, and U, are correlated O There is evidence that e, and 2, are correlated O None of the above O There is evidence that 2 and 2, are correlated
Suppose that you estimated (1) w B +B za +e and based on the results, rejected the hypothesis that B2 = 0. You also estimated (II) y=n+2 za +n4 + and based on the results of that second estimation, you rejected the hypothesis that y3 = 0. You then estimated %3D (III) za = d1 + ôz z, + 4 and did not rejected the hypothesis that &2 = 0. What can you conclude from these results? %3D O There is evidence that the OLS estimator by for 32 in model ( I) is inconsistent O There is evidence that 17, and U, are correlated O There is evidence that e, and 2, are correlated O None of the above O There is evidence that 2 and 2, are correlated
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.4: Applications
Problem 28EQ
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