... sales and approximately Poisson demand. International Journal of Production Economics, Vol. 102, pp. 244-254. Supply Chain Management – Pathways for Research and Practice 1 38 sharing information ... (j=1,2,…,Q) customer is equal to 1/Q. Therefore we can now express the expected total cost for a unit demand as: Supply Chain Management – Pathways for Research and Practice 130 2/11)2/(12212/11)2/(2121)),(),(.(1)),(),(.(1QiQQiQiQQiiRmQsciRmQscPQiRmQsciRmQscPQk ... cooperation between buyer and supplier in terms of Supply Chain Management – Pathways for Research and Practice 136 Sherbrooke, C. C. (19 68) . METRIC: A multi-echelon technique for recoverable item...