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| Author: | Carvalho Oliveira, R. Lourenco, J. C. |
| Title: | A multicriteria model for assigning new orders to service Suppliers |
| Journal: | European Journal of Operational Research
2002 : JUN, VOL. 139:2, p. 390-399 |
| Index terms: | MODEL TESTING MODELS SUPPLIERS SUPPLY QUALITY EVALUATION |
| Language: | eng |
| Abstract: | This paper describes a multicriteria model developed to support decisions on the assignment of new orders to service suppliers - in this case, contractors for the construction (or renewal) of pipeline networks for gas distribution. The model comprises two phases: (i) computation of a quota (expressed as a percentage of total work orders budget) for each supplier; (ii) assignment of each particular order to a supplier selected on the basis of a "multi-attribute preference index" evaluated for each candidate contractor. The first phase is executed at the beginning of each year (and then reviewed quarterly) and the quotas are defined by a two-criteria model: the prices quoted by the supplier for standard works and the past performance of the constructor given by a performance appraisal system. |
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