a ISEG/TULisbon – Technical University of Lisbon, Department of Economics, UECE – Research Unit on Complexity and Economics, R. Miguel Lupi 20, 1249-078 Lisbon, Portugal b European Central Bank, Directorate General Economics, Kaiserstraße 29, D-60311 Frankfurt am Main, Germany University of Porto, Faculty of Economics, CEF.UP – Centre for Economics and Finance at the University of Porto, R. Dr....

215 words AUTHORS’ NOTE: Frances Le Cornu Knight is now at UCL Institute of Education. The corresponding authors are: i) Frances Le Cornu Knight, Department of Psychology and Human Development, UCL Institute of Education, University College London, 20 Bedford Way, London, WC1H 0AA, U.K., Tel.: +44 (0) 207 612 6934, Email: [email protected], and ii) Andrew J. Bremner, Department of Psychology, ...