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Re: st: gmm with two equations and one parameter


From   "Brian P. Poi" <brian@poiholdings.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: gmm with two equations and one parameter
Date   Tue, 07 Jun 2011 20:24:40 -0400

On 06/07/2011 02:55 PM, Wu Zhang wrote:
Hi, folks,

    I am using 'gmm' in stata11 for two equations and one parameters; basically,
the two equations are just first and second moments.
     I am pretty sure I get the moment evaluator programs correct since they work



separately; but when I put the equations together, I get the error message 'no
parameter for equation 1'

   Could some stata geeks make some comments?


Without seeing *exactly* what you typed, it's difficult to tell what went wrong.

Having said that, you get the error message "no parameters in equation #" if you specify a moment equation that does not have any parameters in it. Perhaps you forgot to surround the name of your parameter in braces ({})?

   -- Brian Poi
   -- brian@poiholdings.com
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