About the Authors

Carlos M. Jardon

Roles Investigation

Affiliations Department of Applied Economics-ECOBAS, University of Vigo, Vigo, Galicia, Spain, National research University Higher School of Economics, Perm, Russia

Xavier Martinez-Cobas

Roles Investigation

xmcobas@uvigo.es

Affiliation Department of Accounting and Financial Economics-ECOBAS, University of Vigo, Vigo, Galicia, Spain

Competing Interests

The authors have declared that no competing interests exist.