[Limdep Nlogit List] Error 636

[William Greene]

Kal. One of the criticisms of the DPD model is that the hundreds or
thousands of
instruments can't possibly all be informative.  I agree, you should reduce
the number
of variables.
/B. Greene

On Fri, Nov 24, 2023 at 9:35 PM Kalyan Chakraborty via Limdep <
limdep at mailman.sydney.edu.au> wrote:

> Prof. Green, Thank you so much. I read a few papers that had a similar
> number of observations as I have, and used the same model. As a result, I
> thought I might be able to run it. But I am not aware of the program they
> used. I was able to run with a different set of data for 57 countries for 9
> years of data, on limdep no problem. Do you recommend reducing the number
> of variables? The values are mostly one or two digits after I took the log
> transformation.
>
> Thank you again,
> Kal
>
> On Fri, Nov 24, 2023 at 8:50 PM William Greene via Limdep <
> limdep at mailman.sydney.edu.au> wrote:
>
> > Kal.  The specification proliferates instruments. The manual section you
> > quoted
> > an example with moderate dimensions that specifies thousands of
> > instruments.
> > The limit in DPD in NLOGIT is 200.  This is (T-1)*(KX + Kf) + KM. I
> cannot
> > tell
> > from your command what these values are. Generically, this is the source
> of
> > the
> > diagnostic.
> > /B. Greene
> >
> > On Thu, Nov 23, 2023 at 11:37 PM Kalyan Chakraborty via Limdep <
> > limdep at mailman.sydney.edu.au> wrote:
> >
> > > Dear Prof. Greene and other Limdep Users,
> > >
> > > I have been trying to run a Dynamic Panel GMM model (ABB) E11.15
> (Nlogit
> > 9)
> > > but getting the same error message no matter how I select my
> > I-Variables. I
> > > have 68 countries, 50-years of data, the program I reproduced below.
> Any
> > > help is very much appreciated.
> > >
> > > Kal
> > > ________________
> > >
> > > NAMELIST; X1= LRGDP,TRADE$
> > >
> > > NAMELIST; X2=GEXP,GROCAP,INFLA,POPGR$
> > >
> > > NAMELIST; F1=ONE,HCI$
> > >
> > > NAMELIST; F2=LEYR$
> > >
> > > NAMELIST; X=X1,X2$
> > >
> > > NAMELIST; F=F1,F2$
> > >
> > > NAMELIST; EXOG=X1,F1$
> > >
> > > NAMELIST; ALL=X1,X2,F1,F2$
> > >
> > > CALC; KX1=COL(X1); KX2=COL(X2);KF1=COL(F1);KF2=COL(F2)$
> > >
> > > REGRESS; LHS=LLRGDP; RHS=ALL
> > >
> > > ;START=KX1,KX2,KF1,KF2
> > >
> > > ;PDS = 9
> > >
> > > ;PANEL
> > >
> > > ;DPD$
> > >
> > >
> > >
> > > Error    636: You have too many instruments (moment conditions).
> > >
> > >
> > >
> > >
> > >
> > >
> > > --
> > > Kalyan Chakraborty, PhD
> > > _______________________________________________
> > > Limdep site list
> > > Limdep at mailman.sydney.edu.au
> > > http://limdep.itls.usyd.edu.au
> > >
> > >
> >
> > --
> > William Greene
> > Department of Economics, emeritus
> > Stern School of Business, New York University
> > URL: https://protect-au.mimecast.com/s/0TfBCOMKzVTNxkx8WCEvZQm?domain=people.stern.nyu.edu
> > Email: wgreene at stern.nyu.edu
> > Editor in Chief: Foundations and Trends in Econometrics
> > Associate Editor: Economics Letters
> > Associate Editor: Journal of Business and Economic Statistics
> > _______________________________________________
> > Limdep site list
> > Limdep at mailman.sydney.edu.au
> > http://limdep.itls.usyd.edu.au
> >
> >
>
> --
> Kalyan Chakraborty, PhD
> _______________________________________________
> Limdep site list
> Limdep at mailman.sydney.edu.au
> http://limdep.itls.usyd.edu.au
>
>

-- 
William Greene
Department of Economics, emeritus
Stern School of Business, New York University
URL: https://protect-au.mimecast.com/s/0TfBCOMKzVTNxkx8WCEvZQm?domain=people.stern.nyu.edu
Email: wgreene at stern.nyu.edu
Editor in Chief: Foundations and Trends in Econometrics
Associate Editor: Economics Letters
Associate Editor: Journal of Business and Economic Statistics