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Optimal Expediting Decisions in a Continuous-Stage Serial Supply Chain.

In English

Författare

Summary, in English

In this paper, we analyze expediting decisions in a continuous-time, continuous-stage serial supply chain facing a Poisson demand process. For each unit in the chain, one must decide at which speed it should be moved downstream, given the state of the system, so as to minimize total supply chain costs. We decompose the problem into a set of one-dimensional subproblems that can be easily solved and characterize the optimal expediting policy: under quite general assumptions, the optimal speed of a given unit accelerates upstream, and then slows down downstream. We finally provide a case study where we estimate the benefits of expediting compared to a fixed transportation speed and show them to be significant.

Avdelning/ar

Publiceringsår

2011-02

Språk

Engelska

Sidor

1-30

Volym

Working Paper WP-906

Dokumenttyp

Working paper

Förlag

IESE BusinessSchool

Ämne

  • Transport Systems and Logistics

Status

Published