Extensions to Class Dominance Characteristics

Kashi R. Balachandran and Suresh Radhakrishnan
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Kashi R. Balachandran: Leonard N. Stern School of Business, New York University, New York, New York 10006
Suresh Radhakrishnan: Graduate School of Management, Rutgers University, Newark, New Jersey 07102

Management Science, 1994, vol. 40, issue 10, 1353-1360

Abstract: Balachandran and Schaefer (1979) show that if in the individual optimum class A dominates with a first come first serve queue, there could exist cases where in the public optimum class B dominates. We derive conditions under which providing a nonpreemptive priority allows both classes of users to use the facility and get a higher expected public net benefit than the first come first serve queue. The class that is provided the higher priority may or not be the class that dominates in the public optimum under the first come first serve queue. That means that introducing a priority scheme may switch the class that is given preference in the public optimum. It is shown that there exist situations where the class that is granted the higher priority for service could be levied a lower price than the class that is granted the lower priority. In the case where the users alone have perfect information on the value from using the facility, we derive conditions under which a non preemptive priority is superior to the first come first serve queue. The preemptive priority resume queue is not necessarily always superior to the first come first serve queue. We derive conditions under which the superiority of the preemptive priority resume queue over the first come first serve queue holds.

Keywords: service center; multiple classes; delay costs; optimization; priorities (search for similar items in EconPapers)
Date: 1994
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