NHS competition: bad blogging etc (part II)

I wrote yesterday about misleading criticism of LSE research on NHS competition. In reponse to a couple of comments on my piece, one of the authors of the research (Steve Gibbons, SERC's research director) posted a reply. I thought his reply would be of general interest (particularly regarding their motivation for conducting the research which is discuss towards the end of the comment) and deserved a re-post.