About the Authors

Nikolaos Askitas

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing


Affiliation IZA – Institute of Labor Economics, Schaumburg-Lippe-Str. 5/9, D-53113, Bonn Germany

Competing Interests

The authors have declared that no competing interests exist.