DOI: 10.1017/S0212610915000373, Published by Cambridge University Press 4 March 2016
In footnote 3, an error was introduced during editing. Where it reads “… years after the contribution by Álvarez-Nogal and Chamley (2013, 2014)…”, it should read: “… years after the contribution by Álvarez-Nogal (2000, 2003) …” The publishers apologise for this error.