This article was published with incorrect author affiliations. The correct author affiliations are:
Alexander Dobeson, Department of Sociology, Uppsala University [alexander.dobeson@soc.uu.se]; and
Sebastian Kohl, Max Planck Institute for the Study of Societies [kohl@mpifg.de]
The error has been corrected in the online PDF and HTML versions of this article.
Cambridge University Press apologises for the error.