An alternative bivariate zero-inflated negative binomial regression model using a copula

Sunha So, Dong Hee Lee, Byoung Cheol Jung

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

We propose an alternative bivariate zero-inflated negative binomial (BZINB) regression model based on a copula. The empirical result shows that the proposed model performs better than the existing BZINB models in terms of the maximum log-likelihood and the AIC.

Original languageEnglish
Pages (from-to)183-185
Number of pages3
JournalEconomics Letters
Volume113
Issue number2
DOIs
StatePublished - Nov 2011

Keywords

  • Bivariate negative binomial
  • Copula
  • Heterogeneous dispersion
  • Negative correlation
  • Zero inflation

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