Tsinghua University - Tsinghua Shenzhen International Graduate School, Guangdong University of Technology, Tsinghua University - Tsinghua Shenzhen International Graduate School, Tsinghua University - Tsinghua Shenzhen International Graduate School, Tsinghua University - Tsinghua Shenzhen International Graduate School, Tsinghua University - Tsinghua Shenzhen International Graduate School, affiliation not provided to SSRN, Tsinghua University, Tsinghua University and Tsinghua University - Tsinghua Shenzhen International Graduate School