“…In the studies using DEA, which were mainly concentrated on the performance evaluation of textile, apparel, and apparel retail companies, the efficiencies were usually calculated by using some financial ratios or default parameters such as "capital" and "amount of sales" as the input and output parameters respectively. 10,[53][54][55][56] The other studies investigating specific issues, such as the efficiencies of production, operational practices, and marketing activities, involved parameters that were purposefully selected to have tangible aspects. 9,12,34,57 Among a diverse set of quantitative input and output parameters, the ones regarding the assets of the suppliers, such as "number of employees," "total intangibles," and "total inventory" became the most preferred input parameters.…”