Goto, Mika; Otsuka, Akihiro; Sueyoshi, Toshiyuki - In: Energy 66 (2014) C, pp. 535-549
. This study incorporates an amount of capital assets for technology innovation, as one of the two input group, into the … which DEA has an analytical capability to quantify the importance of investment on capital assets for technology innovation … substances by investing in capital assets for technology innovation. …