Supply interruptions in a lost–sales inventory system with random lead time

Supply interruptions in a lost–sales inventory system with random lead time

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Article ID: iaor20031292
Country: United Kingdom
Volume: 30
Issue: 3
Start Page Number: 411
End Page Number: 426
Publication Date: Mar 2003
Journal: Computers and Operations Research
Authors:
Keywords: statistics: distributions, markov processes
Abstract:

This paper presents an analytical model for computing the stationary distribution of the on-hand inventory in a continuous-review inventory system with compound Poisson demand, Erlang distributed lead time, and lost sales, where the supplier can assume one of the two ‘available’ and ‘unavailable’ states at any point in time according to a continuous-time Markov chain. Exact analytical expressions are derived for the special case where demand sizes are exponentially distributed, and some cost minimization numerical results are presented.

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