st: generalized negative binimial

[Andr� Paul <hcpats@hotmail.fr>]

Dear all,

I would like to use the gnbreg estimator in Stata. However, I'd like to see 
the theoretical model and and an application to economics or social sciences 
before. I didn't find anything on the web, does any of you have some useful 
references?

Thanks in advance,
Andr�

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