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Social construction of port sustainability indicators: a case study of Keelung Port

This study developed Port sustainability indicators (PSIs) using social construction of technology (SCOT). A case study of Keelung Port was conducted. An indicator generator was proposed to generate initial PSIs using a linkage-based framework, and the initial PSIs were grouped into environmental, economic, and social aspects. Subsequently, 34 expert-based PSIs were selected by using rough sets theory (RST). The decision group consisted of representatives from the Taiwan International Ports Corporation (TIPC), academic researchers, and industry representatives. Besides the decision group, the following groups were involved in the stakeholder analysis: the Department of Navigation and Aviation, Ministry of Transportation and Communications (DONA, MOTC), industry representatives, legislators, the Keelung City Government (KCG), local Keelung residents, and the general public. The SCOT approach offered a counterbalance to the expert-based approach in developing indicators. For the scientific frame and the operational frame, this study suggested 34 expert-based PSIs and 2 additional indicators chosen by legislators and local Keelung residents: annual traffic fatalities in the area surrounding the port and employment of Keelung residents by the TIPC. For the actors in the public-relations frame, 12 PSIs were suggested, and 10 PSIs were suggested for the actors in the nonprofessional frame.