About the Authors

Gregory Clark

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

Affiliations Department of Economics, University of Southern Denmark, Odense, Syddanmark, Denmark, Danish Institute for Advanced Study (DIAS), Odense, Syddanmark, Denmark, Department of Economic History, London School of Economics and Political Science, London, United Kingdom, Center for Economic Policy Research (CEPR), Paris, France

Neil Cummins

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

n.j.cummins@lse.ac.uk

Affiliations Department of Economic History, London School of Economics and Political Science, London, United Kingdom, Center for Economic Policy Research (CEPR), Paris, France

Competing Interests

The authors have declared that no competing interests exist.