About the Authors

M. Mercè Claramunt

Contributed equally to this work with: M. Mercè Claramunt, Maite Mármol

Roles Formal analysis, Investigation, Methodology, Software, Writing – original draft, Writing – review & editing

Affiliation Departament de Matemàtica Econòmica, Financera i Actuarial, Universitat de Barcelona, Barcelona, Spain

Maite Mármol

Contributed equally to this work with: M. Mercè Claramunt, Maite Mármol

Roles Formal analysis, Investigation, Methodology, Software, Writing – original draft, Writing – review & editing

mmarmol@ub.edu

Affiliation Departament de Matemàtica Econòmica, Financera i Actuarial, Universitat de Barcelona, Barcelona, Spain

Competing Interests

The authors have declared that no competing interests exist.