Consider the data in the following table. Based on these data, estimate the following regressions: Y i

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Consider the data in the following table.

X2 Хз 3 8. -3


Based on these data, estimate the following regressions:
Yi = α1 + α2X2i + u1i 
Y= λ1 + λ3X3i + u2i 
Y= β1 + β2X2i + β3X3i + ui 
Estimate only the coefficients and not the standard errors.
a. Is α2 = β2? Why or why not?
b. Is λ3 = β3? Why or why not?
What important conclusion do you draw from this exercise?

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Basic Econometrics

ISBN: 978-0073375779

5th edition

Authors: Damodar N. Gujrati, Dawn C. Porter

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