With the ongoing trade normalisation process between India and Pakistan, opportunities to integrate have opened up between both countries. The pharmaceutical sector is crucial to health issues in developing economies and would be an ideal segment to focus on in improving trade relations between...

By means of a very simple example, this note illustrates the appeal of using Bayesian rather than classical methods to produce inference on hidden states in models of Markovian regime switching. -- Bayesian analysis ; switching regression ; regime changes ; nonlinear filtering