### LaTeX in posts

02Jun07

It is so cool that you can put LaTeX right into posts!

Check out the instrumental variables estimator:

$\hat\beta_{IV}=\left(\sum_{i=1}^n z_i'x_i \right)^{-1} \sum_{i=1}^n z_i'y_i$

LaTeX is beautiful, even if it’s a pain in the ass.