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QUEUEING THEORY AND MODELING

1 QUEUEING THEORY AND MODELING Linda Green Graduate School of Business,Columbia University,New York, New York 10027 Abstract: Many organizations, such as banks, airlines, telecommunications companies, and police departments, routinely use QUEUEING models to help manage and allocate resources in order to respond to demands in a timely and cost-efficient fashion. Though QUEUEING analysis has been used in hospitals and other healthcare settings, its use in this sector is not widespread. Yet, given the pervasiveness of delays in healthcare and the fact that many healthcare facilities are trying to meet increasing demands with tightly constrained resources, QUEUEING models can be very useful in developing more effective policies for allocating and managing resources in healthcare facilities.

Most of queueing theory deals with system performance in steady-state. That is, most queueing models assume that the system has been operating with the same arrival rate, average service time and other characteristics for a sufficiently long time that the probabilistic behavior of performance measures

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