1 Erratum to: J Popul Econ

                                    DOI 10.1007/s00148-005-0053-8

                                    DOI 10.1007/s00148-005-0043-x

This article has been published twice: one was published on pages 35–54 of the 2007 Volume 20 Issue 1 while the other was published on pages 303–322 of the 2010 Volume 23 Issue 1.