About the Authors

Carmen Herrero

Roles Conceptualization, Investigation, Methodology, Writing – original draft

Affiliation Department of Economics, University of Alicante, Alicante, Spain

Antonio Villar

Roles Conceptualization, Data curation, Investigation, Methodology, Writing – original draft

avillar@upo.es

Affiliation Department of Economics, Universidad Pablo de Olavide, Seville, Spain

Competing Interests

The authors have declared that no competing interests exist.