bicop: a command for fitting bivariate ordinal regressions with residual dependence characterized by a copula function and normal mixture marginals
In this article, we describe a new Stata command, bicop, for fitting a model consisting of a pair of ordinal regressions with a flexible residual distribution, with each marginal distribution specified as a two-part normal mixture, and stochastic dependence governed by a choice of copula functions. The bicop command generalizes the existing biprobit and bioprobit commands, which assume a bivariate normal residual distribution. We present and explain the bicop estimation command and the available postestimation commands using data on financial well-being from the UK Understanding Society Panel Survey.
The Stata Journal
Volume and page numbers
16 , 159 -184
University of Essex Research Repository - http://repository.essex.ac.uk/16805/
Hilary Doughty Research Library, ISER, University of Essex- indexed article