Bimodality & the performance of PPML

There has been an extensive discussion on the applicability of Poisson Pseudo Maximum Likelihood (PPML) to trade. Here, we are going to analyse again the performance of PPML but in the light of a bimodal distribution; in addition, we also explicitly account for excess zeros. Simulations are based on a Bernoulli-Gamma distribution (a zero-inflated Gamma distribution). Again, our results are a confirmation of how well-behaved PPML is in general.

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Year of publication:	2012
Authors:	Prehn, Sören ; Brümmer, Bernhard
Institutions:	Institut für Agrarökonomie, Georg-August-Universität Göttingen
Subject:	Poisson Pseudo Maximum Likelihood \| excess zeros \| zero-inflated Gamma Distribution \| simulation

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Extent:	application/pdf
Series:	DARE Discussion Papers.
Type of publication:	Book / Working Paper
Notes:	Number 1202
Source:	RePEc - Research Papers in Economics

Persistent link: https://www.econbiz.de/10010981865