On the convexity of the cost function for the (Q,R) inventory model. MPRA Paper 55675, University Library of Munich, Germany.

On the convexity of the cost function for the (Q,R) inventory model.  MPRA Paper 55675, University Library of Munich, Germany. In common with I. Kevork and C. Tziourtzioumis (2014).

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Business Economics; Mathematical and Quantitative Methods; Logistics; Continuous review inventory model; Expected total cost function; Convexity conditions; Cost parameters.