@article{oai:grips.repo.nii.ac.jp:00001389,
 author = {COOPER, W.W. and TONE, Kaoru},
 issue = {B-6},
 journal = {Institute for Policy Science research report. B},
 month = {},
 note = {This is a survey of selected recent developments in DEA. Included are (1) new measures for evaluating "technical efficiency; (2) new ways of determining "returns-to-scale efficiencies; and (3) new approaches for evaluating "allocative efficiencies." A final section outlines areas where additional research is needed., Paper to be presented at the 14th European Conference on Operational Research to be held at Hebrew University, Jerusalem, Israel, July 3-6, 1995.},
 title = {A Survey of Some Recent Developments in Data Envelopment Analysis},
 volume = {95},
 year = {1995}
}