The following equations represent a simultaneous equations model:

K1= 1K2+ 1z1 + u1
K2= 2K1+ 2z2 + u2
OLS will suffer from simultaneity bias if:

A. u1 is correlated with z1.
B. z1 is correlated with z2.
C. K2 is correlated with u1.
D. K1 is correlated with u1.


Answer: C

Economics

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