About the Authors

Johannes Haushofer

Contributed equally to this work with: Johannes Haushofer, Sandra Cornelisse

haushofer@post.harvard.edu (JH); sandra.cornelisse@gmail.com (SC)

Affiliations Department of Economics, University of Zürich, Zürich, Switzerland, Department of Economics, Massachusetts Institute of Technology, Cambridge, Massachusetts, United States of America

Sandra Cornelisse

Contributed equally to this work with: Johannes Haushofer, Sandra Cornelisse

haushofer@post.harvard.edu (JH); sandra.cornelisse@gmail.com (SC)

Affiliation Department of Neuroscience and Pharmacology, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Utrecht, The Netherlands

Maayke Seinstra

Affiliation Comparative Psychology, Institute of Experimental Psychology, Heinrich-Heine University Düsseldorf, Düsseldorf, Germany

Ernst Fehr

Affiliation Department of Economics, University of Zürich, Zürich, Switzerland

Marian Joëls

Affiliation Department of Neuroscience and Pharmacology, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Utrecht, The Netherlands

Tobias Kalenscher

Affiliations Comparative Psychology, Institute of Experimental Psychology, Heinrich-Heine University Düsseldorf, Düsseldorf, Germany, Swammerdam Institute of Life Sciences, University of Amsterdam, Amsterdam, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JH SC MJ TK. Performed the experiments: JH SC MS. Analyzed the data: JH SC MS TK. Contributed reagents/materials/analysis tools: JH MJ TK. Wrote the paper: JH SC MS EF MJ TK.