In this paper approximation results for the M/G/s queueing model are used to derive an empirically verified shop type dependent non-homogeneous relation between labour volume and sales in retail trade. Moreover, we formulate the retailer's labour management as a formal minimization problem.

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European Journal of Operational Research
Erasmus Research Institute of Management

Frenk, H., Thurik, R., & Bout, C. A. (1991). Labour costs and queueing theory in retailing. European Journal of Operational Research, 260–267. doi:10.1016/0377-2217(91)90230-S