Fujian Agriculture and Forestry University, Fujian Agriculture and Forestry University, Fujian Agriculture and Forestry University, affiliation not provided to SSRN, affiliation not provided to SSRN, Fujian Agriculture and Forestry University, Fujian Agriculture and Forestry University, Fujian Agriculture and Forestry University, Fujian Agriculture and Forestry University and Fujian Agriculture and Forestry University