A bivariate Poisson count data model using conditional probabilities

Peter Berkhout and Erik Plug ()

Statistica Neerlandica, 2004, vol. 58, issue 3, 349-364

Abstract: The applied econometrics of bivariate count data predominantly focus on a bivariate Poisson density with a correlation structure that is very restrictive. The main limitation is that this bivariate distribution excludes zero and negative correlation. This paper introduces a new model which allows for a more flexible correlation structure. To this end the joint density is decomposed by means of the multiplication rule in marginal and conditional densities. Simulation experiments and an application of the model to recreational data are presented.

Date: 2004
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