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On the existence of the maximum likelihood estimates in Poisson regression

João Santos Silva () and Silvana Tenreyro ()

Economics Letters, 2010, vol. 107, issue 2, 310-312

Abstract: We note that the existence of the maximum likelihood estimates in Poisson regression depends on the data configuration, and propose a strategy to identify the existence of the problem and to single out the regressors causing it.

Keywords: Collinearity; Complete; separation; Perfect; prediction (search for similar items in EconPapers)
Date: 2010
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