Executive Takeaways
■ Intermediate demands practically exist in multiechelon system and should be considered. ■ The multiechelon lot-sizing problem, in which demands can exist in any echelon, is NP-hard.
■ We study variants of multiechelon lot-sizing problems and propose efficient algorithms. ■ Our algorithms outperform the best known methods proposed in the literature.
Minjiao Zhang, Assistant Professor of Quantitative Analysis
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