Comparative Analysis of Multiple Criteria Evaluations of Suppliers in Different Industries

The paper presents the comparative analysis of suppliers’ selection problems in different industries, formulated as multiple criteria ranking problems. The evaluation of logistics service providers (LSPs) in a household chemistry industry and meat suppliers in a food industry are carried out. The author compares both the alternative formulations of the decision problems (input) and generated results – output rankings of suppliers. On the input side he confronts: alternative definitions of variants, construction of different families of evaluation criteria, various ways of modelling of the DM's preferences. On the output side the results of computational experiments performed with the application of ELECTRE III/IV and AHP methods are demonstrated. Different aspects of the decision processes concerning the selection of suppliers are thoroughly discussed.