About the Authors

David Kaplan

david.kaplan@case.edu

Affiliation Department of Pathology, Case Western Reserve University, Cleveland, Ohio, United States of America

Nicola Lacetera

Affiliation Department of Economics, Case Western Reserve University, Cleveland, Ohio, United States of America

Celia Kaplan

Affiliation Department of Psychology, Brandeis University, Waltham, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DK NL CK. Performed the experiments: DK NL CK. Analyzed the data: DK NL CK. Wrote the paper: DK NL CK.