1. Department of Economics, Sociology and Statistics, RAND Corporation, Santa Monica, CA, USA.
2. Pardee RAND Graduate School, Santa Monica, CA, USA.
3. Sanford School of Public Policy, Duke University, Durham, NC, USA.
4. Center for Public Policy, Indian Institute of Management Bangalore, Bangalore, Karnataka, India.
5. Sol Price School of Public Policy, University of Southern California, Los Angeles, CA, USA.
6. Schaeffer Center for Health Policy and Economics, University of Southern California, Los Angeles, CA, USA.