@techreport{oai:grips.repo.nii.ac.jp:00000942,
 author = {TONE, Kaoru},
 note = {https://www.grips.ac.jp/list/facultyinfo/tone_kaoru/, We will point out shortcomings of the cost and allocative efficiencies as used in the DEA literature, and propose a new approach to cost efficiency evaluation.},
 title = {A Strange Case of the Cost and Allocative Efficiency in DEA}
}