Özet:

The objectives of this research, therefore, are to 1) study the levels of green supply chain management practices (GSCMP), policy implementation (POI) sustainable supply chain performance (SSCP) and business performance (BUSP) of the transportation service business in Thailand, 2) Analyze the effect of GSCMP, POI, SSCP on BUSP, and 3) to study the guidelines to improve BUSP of Transportation Service Providers (TSPs) in Thailand. The study used quantitative method research. The sample was 340 TSPs in Thailand based on the sample size of not less than 20 times the variables in the research model, arisen from stratified sampling by area. The instruments used in the research were questionnaires and interview form. The statistics used for data analysis were frequency, percentage, mean, standard deviation, confirmative factor analysis and structural equation modeling, while content analysis was used for qualitative data. The findings revealed that the levels of GSCMP, POI, SSCP, and BUSP were at a high level. In addition, GSCMP and POI had a direct positive effect on SSCP and a positive indirect effect on BUSP. Besides, SSCP had a positive direct effect on BUSP. Such findings can be a guideline for TSPs to improve the operational performance. Government agencies, furthermore, can use the study results to formulate a policy for helping entrepreneurs. Academicians and interested people, moreover, can bring the research results to study and conduct further research.

Anahtar Kelimeler: