st: Dear Statlisters,

["Yi Sun" <lixys15@nottingham.ac.uk>]

Dear Statlisters,

i have encountered a few problems of carrying out the log likelihood test (lrtest) to determine whether the technical inefficiency exists in my model. I believe i will need to carry out an OLS estimate of my model, which uses the log likelihood statistic there in order to compute the statistic = -2 *{ln[L(H0)]-ln[L(H1)]}. On the other hand, i am wondering if there is a common that enables the frontier output to be worked out directly. Many thanks.


                                    Yi Sun


*
*   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/