About the Authors

Ryan D. Edwards

redwards@qc.cuny.edu

Affiliations Department of Economics, Queens College and the Graduate Center, City University of New York, Flushing, New York, United States of America, National Bureau of Economic Research, Cambridge, Massachusetts, United States of America

Jennifer Roff

Affiliation Department of Economics, Queens College and the Graduate Center, City University of New York, Flushing, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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