In addition to Long, I also recommend A. Colin Cameron and Pravin
Trivedi's _Regression Analysis of Count Data_ (Cambridge 1998) chapter 4
for a treatment of zero-inflated and hurdle count models with examples.

seg

Scott E. Graves, Ph.D.
Assistant Professor
Department of Political Science
Georgia State University
Atlanta, GA  30303-2514
(404) 651-2390
[log in to unmask]

>>> Paul Johnson <[log in to unmask]> 8/30/2006 12:34 PM >>>
Anna Maria Ortiz wrote:
> Good morning -
>
> Does anyone have any good references for zero-inflated negative
> binomial or Poisson regression models?  I'm looking for both applied
and
> theoretical cites.
>
Scott Long's book Regression Models for Categorical and *Limited
Dependent* *Variables is, far and away, the best thing I have read on
these things.*

pj



--
Paul E. Johnson                       email: [log in to unmask]
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Lawrence, Kansas 66044-3177           FAX: (785) 864-5700

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