Question: In an instrumental variable regression model with one regressor. X, and two instruments. Z, and Z, the value of the J-statistic is / 18.2. a.
In an instrumental variable regression model with one regressor. X, and two instruments. Z, and Z, the value of the J-statistic is / 18.2.
a. Does this suggest that E(u, Z, Z) + 0? Explain.
b. Does this suggest that E(u Z) 0? Explain.
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