First Author:   Tapas Mishra Department of Economics, Swansea University, Swansea, UK t.k.mishra@swansea.ac.uk   Richard Price Building, Singleton Park, Swansea Swansea, SA2 8PP, United Kingdom       Second Author: Alexia Prskawetz Vienna University of Technology & Vienna Institute of Demography, Austria afp@econ.tuwien.ac.at         Third Author: Mamata Parhi Department of Economics, Swansea University, Swansea, UK m.parhi@swansea.ac.uk         Fourth Author: Claude Diebolt BETA, University of Strasbourg, Strasbourg, France cdiebolt@cournot.u-strasbg.fr