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Original Articles

An Exponential Queueing Model For Determining Teller Reouirements In Bank Branches

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Pages 230-245 | Received 11 Jan 1979, Published online: 25 May 2016
 

Abstract

Models for determining teller requirements in Bank Branches are investigated to establish policies for managing and operating these branches. In one model, the method used is based upon analysis of congestion in a closed queueing network involving the various activities required by the tellers in carrying out the processing of customers under peak customer demand conditions. Steady-state relationships for the various system state probabilities are obtained in parametric form and can be applied to alternative equipment set-up, service time parameters, and transaction routing schemes to obtain minimum cost policies for operating such systems. In the second model dealing with off-peak customer flows, interest is focused on determining an idleness allowance for tellers, to account for times when no customers are present.

Résumé

On étudie des modéles qui servent à déterminer les exigences concernant les caissiers de succursales bancaires afin d’établir des politiques de direction et d’operation de ces succursales. Dans un modèle, la methéde utilisée est basee sur une analyse de l’encombrement dans un réseau fermé de files d’attente comprenant les diverses activités qui doivent accomplir les caissiers au cours du traitement des transactions lors qu’il y a affluence de clients. Les relations stationnaires entre les différentes probabilités d’état du système sont obtenues sous forme paramétrique et peuvent être appliquées à une réorganisation de l’équipement, à un choix différent des paramètres de temps de service et à une modification des modes d’acheminement des transactions afin d’obtenir des politiques à coût minimum pour l’opération de ces systèmes. Dans le second modfele traitout du Hot des clients en dehors des périodes d’affluence, on s’attache à déterminer une tolérance pour le temps où les caissiers ne sont pas occupés, afin de tenir compte des périodes où il n’y a pas de clients.

Additional information

Notes on contributors

M. Watkin

MOSHE WATKIN has held the position of senior systems engineer with the Bank of Nova Scotia for the last four years, where he developed models for staffing branches, data based inventory control systems, and processing of international monetary transactions. Recently, Mr Watkin joined the Ontario Government as a senior consultant, specializing in the conversion of manual information systems into automated, computer based systems. He holds a BSC degree in Industrial Engineering and Management from the Technion, Israel Institute of Technology and a Master of Engineering degree in Production Engineering from the University of Toronto. Currently Mr Watkin is pursuing a PH D program in Economics at York University.

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