Can someone please assist!!!

#1
Hello,
I have an unbalanced panel data, 145802 observations for about 35432 firms in total. I need to estimate firm level TFP.
Does anyone know the approach and command/s to use?


Any help/hint will be much appreciated
Thanks, fzahra
 
#2
although i'm not familiar with economics stats, a quick search on "google" gave several results which might help you.
a relevant one can be found at "http://www.statalist.org/forums/forum/general-stata-discussion/general/6683-estimating-total-factor-productivity-for-panel-data-in-stata"
or "http://www.ceriba.org.uk/pub/RM/TrueAdo/STATAimplement.pdf"