Construct an example of a regression model that satisfies the assumption (Eleft(u_{i} mid boldsymbol{X}_{i} ight)=0) but for

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Construct an example of a regression model that satisfies the assumption \(E\left(u_{i} \mid \boldsymbol{X}_{i}\right)=0\) but for which \(E(\boldsymbol{U} \mid \boldsymbol{X}) eq \mathbf{0}_{n}\).

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Introduction To Econometrics

ISBN: 9780134461991

4th Edition

Authors: James Stock, Mark Watson

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