@article{oai:grips.repo.nii.ac.jp:00001388,
 author = {TONE, Kaoru},
 issue = {B-5},
 journal = {Institute for Policy Science research report. B},
 month = {Apr},
 note = {In this paper, we will discuss subjects related to virtual multipliers in the cone-ratio model in DEA. Usually, there exists ambiguity in the virtual multipliers in the polyhedral cone-ratio method when some exemplary efficient DMUs' multipliers are employed as the admissible directions of the cone. Firstly, we will show a cell subdivision of the multiplier simplex. Then, three practical methods for resolving this ambiguity will be presented with an example. Finally, we will discuss possible applications of vertex enumeration software, based on the Double Description Method., Presented at First International Conference of the Society on Computational Economics on "Computing in Economics and Finance" May 21-24, 1995 Austin, Texas},
 title = {Several Algorithms to Determine Multipliers for Use in Cone-Ratio Envelopment Approahches to Efficiency Evaluations in DEA},
 volume = {95},
 year = {1995}
}