First Author:   Benjamin Tetteh Anang University of Helsinki benjamin.anang@helsinki.fi   Department of Economics and Management, Latokartanonkaari 5, University of Helsinki Helsinki, FI-00014, Finland   +358 46626 7010(Phone) +358 46626 7010(Fax) Second Author: Stefan Bäckman University of Helsinki stefan.backman@helsinki.fi   Department of Economics and Management, Latokartanonkaari 5, University of Helsinki Helsinki, FI-00014, Finland       Third Author: Antonios Rezitis University of Helsinki antonios.rezitis@helsinki.fi   Department of Economics and Management, Latokartanonkaari 5, University of Helsinki Helsinki, FI-00014, Finland