About the Authors

Ronald L. Oaxaca

Contributed equally to this work with: Ronald L. Oaxaca, Eva Sierminska

Roles Conceptualization, Funding acquisition, Investigation, Methodology, Software, Writing – original draft, Writing – review & editing

Affiliations Department of Economics, University of Arizona, Tucson, Arizona, United States of America, IZA, Bonn, Germany, GLO, Essen, Germany

Eva Sierminska

Contributed equally to this work with: Ronald L. Oaxaca, Eva Sierminska

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

eva.sierminska@liser.lu

Current address: LISER, 11, Porte de Sciences, Esch/Alzette, Luxembourg

Affiliations Department of Economics, University of Arizona, Tucson, Arizona, United States of America, IZA, Bonn, Germany, GLO, Essen, Germany, Luxembourg Institute of Socio-Economic Research (LISER), Esch/Alzette, Luxembourg, INE PAN, Warsaw, Poland, DIW, Berlin, Germany

Competing Interests

The authors have declared that no competing interests exist.