About the Authors

Regina Madalozzo


Affiliation Department of Economics, Insper Institute of Education and Research, Sao Paulo, Sao Paulo, Brazil

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

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