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Re: st: left-truncated panel count data model


From   Tirthankar Chakravarty <tirthankar.chakravarty@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: left-truncated panel count data model
Date   Thu, 9 Aug 2012 12:01:04 -0700

Christiaan,

Arthur van Soest has a recent paper where they estimate a two-part
zero-inflated panel Poisson model using a first part logit and a
second part truncated Poisson. You can extract the code for
conditional likelihood estimation of the second part truncated panel
Poisson  from their Appendix A:
http://arno.uvt.nl/show.cgi?fid=115295
As he notes, it is straightforward, but there seem to be few
applications in the literature.

T

On Thu, Aug 9, 2012 at 11:13 AM, Behrens, C.L. <c.l.behrens@vu.nl> wrote:
> Hi all,
>
> I am wondering if it is possible to estimate a Poisson model with panel count data in case the count variable is zero-truncated. So far, I am only aware of STATA implementations taking into account the panel structure (e.g. xtpoisson, xtpqml) or the censoring (e.g. tpoisson) but not the combination of both.
>
> Best,
>
> Christiaan
>
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-- 
Tirthankar Chakravarty
tchakravarty@ucsd.edu
tirthankar.chakravarty@gmail.com

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