Guilin University of Technology, Hainan Tropical Ocean University, affiliation not provided to SSRN, Hainan Tropical Ocean University, affiliation not provided to SSRN, Guangxi University of Science and Technology, affiliation not provided to SSRN, Guilin University of Technology, Qingdao University of Science and Technology, Hainan Tropical Ocean University, Hainan Tropical Ocean University, Nanjing Normal University, Ocean University of China, Hainan Tropical Ocean University and Jianghan University