Instrumental Variables: Mechanics 

This is an incredibly clear and well exampled explanation of IV regression! Thanks for making this, Nathan!

thank you very much Nathan for such a clear and straightforward explanation.

thank you sir

Thanks, Nathan for the valuable presentation. Actually, this was something that concerned me when I saw different coefficients of X and different constant terms in the 2 equations of the OLS model. Now I understand the concept

Thank youuu you just helped me writing my thesis