The model produces the following reduced-form equations: Y 1t = 4 + 8X 1t Y 2t =

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The model

|Yu = B10 + B12Y21 + Y11X1: +u1t Y21 = B20 + B21 Yu +u2;


produces the following reduced-form equations:

Y1t = 4 + 8X1t

Y2t = 2 + 12X1t

a. Which structural coefficients, if any, can be estimated from the reduced-form coefficients? Demonstrate your contention.

b. How does the answer to (a) change if it is known a priori that (1) β12 = 0 and (2) β10 = 0?

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Basic Econometrics

ISBN: 978-0073375779

5th edition

Authors: Damodar N. Gujrati, Dawn C. Porter

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