About the Authors

Joanne Yoong

Affiliation RAND Corporation, Arlington, Virginia, United States of America

Nicholas Burger

Affiliation RAND Corporation, Arlington, Virginia, United States of America

Connor Spreng

Affiliation Investment Climate Department, World Bank, Washington, D. C., United States of America

Neeraj Sood

nsood@sppd.usc.edu.

Affiliation University of Southern California and RAND Corporation, Los Angeles, California, United States of America

Competing Interests

All authors acknowledge funding from World Bank Group for a related project that aims to understand the role of public policy in improving the effectiveness of the private health sector. The World Bank Group engages with the private and public health sectors in various countries. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: JY NB CS NS. Analyzed the data: JY NB NS. Wrote the paper: JY NB CS NS.