Deb, Partha; Trivedi, Pravin K - In: Journal of Applied Econometrics 12 (1997) 3, pp. 313-36
In this article we develop a finite mixture negative binomial count model that accommodates unobserved heterogeneity in an intuitive and analytically tractable manner. This model, the standard negative binomial model, and its hurdle extension are estimated for six measures of medical care demand...