About the Authors

Jacobien van Apeldoorn

Affiliation University of Amsterdam, Amsterdam, the Netherlands

Arthur Schram

Schram@uva.nl

Affiliations CREED and Tinbergen Institute, Amsterdam School of Economics, University of Amsterdam, PO Box 15867, 1001, NJ, Amsterdam, The Netherlands, Robert Schumann Center for Advanced Studies, European University Institute, Via Roccettini 9, I-50014, San Domenico die Fiesole (FI), Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JvA AS. Performed the experiments: JvA AS. Analyzed the data: JvA AS. Contributed reagents/materials/analysis tools: JvA AS. Wrote the paper: JvA AS.