1. Department of Economics, Graduate School of Arts and Science, Columbia University, New York, NY, USA
2. School of Finance, Shanghai University of International Business and Economics, Shanghai, China
3. Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
4. Quantitative Methods in the Social Sciences, Institute for Social and Economic Research and Policy, Columbia University, New York, NY, USA