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Introduction to Econometrics 3rd Edition by James Stock, Mark Watson
Edition 3ISBN: 978-9352863501Introduction to Econometrics 3rd Edition by James Stock, Mark Watson
Edition 3ISBN: 978-9352863501 Exercise 2
Suppose that n = 100 i.i.d. observations for ( Y i , X i ) yield the following regression results:
Another researcher is interested in the same regression, but he makes an error when he enters the data into his regression program: He enters each observation twice, so he has 200 observations (with observation 1 entered twice, observation 2 entered twice, and so forth).
a. Using these 200 observations, what results will be produced by his regression program
b. Which (if any) of the internal validity conditions are violated
Another researcher is interested in the same regression, but he makes an error when he enters the data into his regression program: He enters each observation twice, so he has 200 observations (with observation 1 entered twice, observation 2 entered twice, and so forth).
a. Using these 200 observations, what results will be produced by his regression program
b. Which (if any) of the internal validity conditions are violated
Explanation
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Verified
a) The given correct regression for n = ...
Introduction to Econometrics 3rd Edition by James Stock, Mark Watson
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