Greetings!
I am running a stochastic cost and production frontier models, using
the "xtfrontier" command. Does STATA automatically log-transform the
cost variable (the outcome) or I have to log- transform it first into
"ln(cost)" and then run "xtfrontier"? How does it work for the
production function with log tranformation of production?
Many thanks!
Xiaodong
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
