ABC model choice by DIC

Yet another paper on ABC model choice was posted on arXiv a few days ago, just prior to the ABC in London meeting that ended in the pub above (most conveniently located next to my B&B!). It is written by Olivier Francois and Guillaume Laval and the approach relies on DIC for running model selection. Although I disagree with the reasons given for abandoning Bayes factors in favour of this more rudimentary indicator, I consider the paper (and the trend) an interesting and positive contribution to the idea already stressed by Oliver Ratmann and coauthors that model selection with ABC should be more exploratory than decisional…