Re: st: Re: heteroskedasticity,autocorrelation and fixed effects

[n j cox <n.j.cox@durham.ac.uk>]

naveeda salam wrote:

> i have stata7 on my computer and  xtfrontier is not
> available on Stata7. Is there anyway i can download
> this command?
Sorry, no. -xtfrontier- is written for Stata 8 and in any
case not available separately. Only by upgrading
will you be able to make use of it.

Nick
n.j.cox@durham.ac.uk

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