Statalist The Stata Listserver


[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

RE: st: GMM diff vs sys


From   "Nick Cox" <[email protected]>
To   <[email protected]>
Subject   RE: st: GMM diff vs sys
Date   Thu, 9 Feb 2006 11:35:26 -0000

This is all detailed in the help. 

You really must be prepared to read the help 
carefully. 

Nick 
[email protected] 

> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of
> [email protected]
> Sent: 09 February 2006 11:19
> To: [email protected]
> Subject: RE: st: GMM diff vs sys
> 
> 
> The error is this
> 
> xtlsdvc lnrgdpl lnrgdpli lnts lnngd
> option initial() required
> r(198);
> 
> but i don`t know what is an initial option
> I need a regression of a convergence model
> like this
> lnYit= a + b lnYit-1 + d Xit + ni + vt +uit
> where
> Yit is per capita gdp
> and Xit are population growth and interest rate
> 
> Thanks
> 
> 
> where: 	  - level of per capita income for i'th country 
>  in t'th period.,
> Xi,t -  matrix of the variables, which represent the steady 
> state for i'th
> economy (in logarithms),
>   -   individual effect of i'th country,
>  -    time specific effect of t'th year,
>  -   independent stochastic error term.
> 
> 
> where: 	  - level of per capita income for i'th country 
>  in t'th period.,
> Xi,t -  matrix of the variables, which represent the steady 
> state for i'th
> economy (in logarithms),
>   -   individual effect of i'th country,
>  -    time specific effect of t'th year,
>  -   independent stochastic error term.
> 
> 
> > -xtlsdvc- requires an -initial()- option.
> >
> > Otherwise, to quote the FAQ:
> >
> > "Say exactly what you typed and exactly what Stata typed
> > (or did) in response. N.B. exactly! If you can, reproduce
> > the error with one of Stata's provided datasets or a simple
> > concocted dataset that you include in your posting."
> >
> > Nick
> > [email protected]
> >
> > [email protected]
> >
> >> I`ve tried this
> >>
> >> xtlsdvc depvar varlist
> >>
> >> But It hasn`t funtioned Could you tell me what it`s wrong?

*
*   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/



© Copyright 1996–2024 StataCorp LLC   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index