[1] Columbia Univ, Grad Sch Arts & Sci, Dept Econ, New York, NY USA
[2] Shanghai Univ Int Business & Econ, Sch Finance, Shanghai, Peoples R China
[3] Icahn Sch Med Mt Sinai, Dept Environm Med & Publ Hlth, New York, NY USA
[4] Columbia Univ, Inst Social & Econ Res & Policy, Quantitat Methods Social Sci, New York, NY USA
[5] Shanghai Univ Int Business & Econ, Sch Finance, 1900 Wenxiang Rd, Shanghai 201620, Peoples R China