Hence, follow Statalist practice, and use an example that anyone can
duplicate on their own machine. As for the command syntax, the
excerpted bit from my reply addressed that question: qvf wants a list
of instruments (included and excluded, i.e. every RHS variable except
the endogenous one). But I still recommend -ivreg2- for the reasons
stated.
On 3/10/06, Hugh Colaco <[email protected]> wrote:
> Sorry - this was a bad example. There was no "identification" issue in
> my actual regression. My basic issue is with the syntax of the qvf
> command.
> -----Original Message-----
> . qvf y x1 x2 x3 x4 (x1 x2 x4 z1)
> . ivreg2 y x1 x2 x4 (x3=z1), ffirst
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