MAGAZINE  №1 (102) - 2021

AUTHOR BURLAKOVA I.V. 

CATEGORY Sourcing

ABSTRACT

For today there is no single universal methodology for evaluating and selecting a supplier. Each commercial organization develops an assessment methodology individually, based on a variety of criteria that are considered important, or focusing on the cost of purchase. The downside of choosing a vendor based on cost criteria only is ignoring other significant criteria, while systems with multiple criteria often allow valuation bias and options for result manipulation. In this article modern methods of supplier evaluation are analyzed, giving more attention to the most common ones. Taking into account their merits and shortcomings, the author's combined method has been developed, which consists in simultaneously assessing the supplier with multicriteria and single-criteria (total cost method) methods and decision-making using the Edgeworth-Pareto method.  Pareto-suboptimal solutions are cut off by an algorithm based on Pareto optimal set formula. The remaining options are assessed by the purchasing manager in terms of strategic importance by applying the "strategic matrix of supplier choice" proposed by the authors. It is a modification of Kralich matrix, adapted to the task of supplier selection, for which the author's scale of assessment is proposed.  The proposed supplier evaluation method allows to compare the financial benefits of selecting a particular supplier and a combination of other significant factors, and make an informed managerial decision.

 Electronic version

 Keywords:  

Published in Sourcing

MAGAZINE  №1 (60) February 2014

AUTHOR  BOCHKAREV A.A., BOCHKAREV P.A.

CATEGORY  Reliability and stability of the supply chain Optimization and economic-mathematical modeling Sourcing Inventory management 

ABSTRACT

It is shown that one of the typical problems in the logistics supply is the problem of calculating the optimum batch size of delivery, which is converted into a non-trivial task when you need to take into account in its decision a large number of restrictions: on the proposal of providers and consumer demand on storage capacity, low cost, etc. .

The article is devoted to the application of mathematical programming methods in solving the problem of suppliers selection and the lot-sizing optimization under changing demand

 Keywords:  

Published in Sourcing

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