Optimal Balanced Control for Call Centers

S Bhulai, T Yuan-Farenhorst, BF Heidergott, D Van der Laan

Research output: Contribution to journalArticleAcademicpeer-review

7 Citations (Scopus)

Abstract

In this paper we study the optimal assignment of tasks to agents in a call center. For this type of problem, typically, no single deterministic and stationary (i. e., state independent and easily implementable) policy yields the optimal control, and mixed strategies are used. Other than finding the optimal mixed strategy, we propose to optimize the performance over the set of "balanced" deterministic periodic non-stationary policies. We provide a stochastic approximation algorithm that allows to find the optimal balanced policy by means of Monte Carlo simulation. As illustrated by numerical examples, the optimal balanced policy outperforms the optimal mixed strategy.
Original languageEnglish
Pages (from-to)39-62
Number of pages24
JournalAnnals of Operations Research
Volume201
Issue number1
DOIs
Publication statusPublished - 2012

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