Open access publishing adds transparency to the published literature: it does in fact increases the rate of *detection* of author misconduct. That has been noted already several years ago, e.g.
Lin, S.-K.; McPhee, D.J. Citation of Two Retracted Papers Shows Both the Impact Advantage and an Unintended Consequence of Open Access. Molecules 2007, 12, 2190-2192. http://dx.doi.org/10.3390/12092190
