![SOLVED: extra points! ) Consider the IV regression model with valid instrumental variable Z;: Yi = Bo + B1Xi + ui Xi = To + TIZi + Vi. A reduced form expression SOLVED: extra points! ) Consider the IV regression model with valid instrumental variable Z;: Yi = Bo + B1Xi + ui Xi = To + TIZi + Vi. A reduced form expression](https://cdn.numerade.com/ask_images/fb156f76e21d465aa32936cd50daa827.jpg)
SOLVED: extra points! ) Consider the IV regression model with valid instrumental variable Z;: Yi = Bo + B1Xi + ui Xi = To + TIZi + Vi. A reduced form expression
![least squares - Why not use instrumental variable directly as a covariate in the regression? - Cross Validated least squares - Why not use instrumental variable directly as a covariate in the regression? - Cross Validated](https://i.stack.imgur.com/bDDQS.png)
least squares - Why not use instrumental variable directly as a covariate in the regression? - Cross Validated
![Equivariance of an Instrumental Variable (IV) Estimator in the Linear Regression Model | Econometric Theory | Cambridge Core Equivariance of an Instrumental Variable (IV) Estimator in the Linear Regression Model | Econometric Theory | Cambridge Core](https://static.cambridge.org/content/id/urn%3Acambridge.org%3Aid%3Aarticle%3AS0266466600005934/resource/name/firstPage-S0266466600005934a.jpg)