About the Authors

Danyi Qi

Contributed equally to this work with: Danyi Qi, Brian E. Roe

Affiliation Department of Agricultural, Environmental and Development Economics, Ohio State University, Columbus, OH, United States of America

Brian E. Roe

Contributed equally to this work with: Danyi Qi, Brian E. Roe

roe.30@osu.edu

Affiliation Department of Agricultural, Environmental and Development Economics, Ohio State University, Columbus, OH, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BER DQ. Analyzed the data: BER DQ. Wrote the paper: BER DQ.