About the Authors
- Justin Chumbley
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* E-mail: jrchum@gmail.com
Affiliation Department of Economics, University of Zurich, Zurich, Switzerland
- Ernst Fehr
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Affiliation Department of Economics, University of Zurich, Zurich, Switzerland
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: JC. Performed the experiments: JC. Analyzed the data: JC. Contributed reagents/materials/analysis tools: EF. Wrote the paper: JC.