[Limdep Nlogit List] frontier model
Daniel Ayalew
danayalew at yahoo.com
Sat Dec 5 08:14:56 EST 2009
I have made an attempt to estimate a truncated-normal, true fixed effects of stocastic frontier production function. The follwing syntax is used:
SAMPLE ;All$
FRONTIER ;Lhs=y;Rhs=one,x1;Rh2=one;Model=T$
FRONTIER ;Lhs=y;Rhs=one,x1;Rh2=one;FEM;Pds=_GROUPTI;Eff=utfetn;Par$
However, I keep on getting the following error message:
Error 682: Did not find matching prvious nonpanel FRONTIER model.
Any suggestions??
Regards,
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