Optimal transfer, ordering and payment policies for joint supplier–buyer inventory model with price-sensitive trapezoidal demand and net credit

Nita H. Shah, Digeshkumar B. Shah and Dushyantkumar G. Patel

International Journal of Systems Science, 2015, vol. 46, issue 10, 1752-1761

Abstract: This study aims at formulating an integrated supplier–buyer inventory model when market demand is variable price-sensitive trapezoidal and the supplier offers a choice between discount in unit price and permissible delay period for settling the accounts due against the purchases made. This type of trade credit is termed as ‘net credit’. In this policy, if the buyer pays within offered time M1, then the buyer is entitled for a cash discount; otherwise the full account must be settled by the time M2; where M2 > M1 ⩾ 0. The goal is to determine the optimal selling price, procurement quantity, number of transfers from the supplier to the buyer and payment time to maximise the joint profit per unit time. An algorithm is worked out to obtain the optimal solution. A numerical example is given to validate the proposed model. The managerial insights based on sensitivity analysis are deduced.

Date: 2015
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DOI: 10.1080/00207721.2013.835000

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