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Erschienen in: OR Spectrum 3/2014

01.07.2014 | Regular Article

Stochastic programming for vendor portfolio selection and order allocation under delivery uncertainty

verfasst von: Chia-Yen Lee, Chen-Fu Chien

Erschienen in: OR Spectrum | Ausgabe 3/2014

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Abstract

Outsourcing has been employed in supply chain management to reduce capital investment, enhance flexibility, reduce manufacturing cost, shorten cycle time, and improve service quality. This study aims to propose a portfolio optimization model considering risk diversification and delivery uncertainty for vendor portfolio selection and order allocation. Three portfolio objectives for maximizing performance of selected vendors, diversifying the portfolio risk, and minimizing total cost are considered. A comparison of two proposed stochastic programming techniques shows that robust optimization can generate a better solution whereas probabilistic models can identify the potential alternative vendor based on a data-driven approach. An application study was conducted in a leading semiconductor company in Taiwan to estimate the validity of the proposed approach. The results have shown practical viability that the proposed approach can generate the results with better vendor performance, diversified risk, and minimal total cost.

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Metadaten
Titel
Stochastic programming for vendor portfolio selection and order allocation under delivery uncertainty
verfasst von
Chia-Yen Lee
Chen-Fu Chien
Publikationsdatum
01.07.2014
Verlag
Springer Berlin Heidelberg
Erschienen in
OR Spectrum / Ausgabe 3/2014
Print ISSN: 0171-6468
Elektronische ISSN: 1436-6304
DOI
https://doi.org/10.1007/s00291-013-0342-7

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