This study explores simultaneous reduction strategies of lead time and setup cost in a two-stage supply chain model under trade-credit financing. Lead time depends on a variable production rate and lot size. It consists of setup, production, and transportation time which are shortened to reduce lead time. Although double safety factors are considered to avoid stock-out; but still backorders take place as the demand during the lead time is stochastic. Setup cost is reduced by including an extra investment cost. In addition, the vendor offers a fixed credit period to the buyer to settle the account. The objective is to minimize the integrated expected total cost and optimize the order quantity, number of deliveries, setup and transportation time, setup cost, safety factor for the first batch, and the production rate. A multi-variable optimization technique is used for these purposes. Furthermore, a numerical example together with managerial insights is provided for the establishment and applicability of the proposed model. The numerical results show that the introduction of setup cost reduction and trade-credit financing along with lead time reduction is more beneficial by means of integrated expected total cost reduction.
Keywords: Supply chain, inventory, stochastic demand, variable production rate, lead time, setup cost reduction, trade-credit
@article{RO_2021__55_S1_S1469_0,
author = {Das Roy, Monami and Sana, Shib Sankar},
title = {Production rate and lot-size dependent lead time reduction strategies in a supply chain model with stochastic demand, controllable setup cost and trade-credit financing},
journal = {RAIRO. Operations Research},
pages = {S1469--S1485},
year = {2021},
publisher = {EDP-Sciences},
volume = {55},
doi = {10.1051/ro/2020112},
mrnumber = {4223193},
language = {en},
url = {https://www.numdam.org/articles/10.1051/ro/2020112/}
}
TY - JOUR AU - Das Roy, Monami AU - Sana, Shib Sankar TI - Production rate and lot-size dependent lead time reduction strategies in a supply chain model with stochastic demand, controllable setup cost and trade-credit financing JO - RAIRO. Operations Research PY - 2021 SP - S1469 EP - S1485 VL - 55 PB - EDP-Sciences UR - https://www.numdam.org/articles/10.1051/ro/2020112/ DO - 10.1051/ro/2020112 LA - en ID - RO_2021__55_S1_S1469_0 ER -
%0 Journal Article %A Das Roy, Monami %A Sana, Shib Sankar %T Production rate and lot-size dependent lead time reduction strategies in a supply chain model with stochastic demand, controllable setup cost and trade-credit financing %J RAIRO. Operations Research %D 2021 %P S1469-S1485 %V 55 %I EDP-Sciences %U https://www.numdam.org/articles/10.1051/ro/2020112/ %R 10.1051/ro/2020112 %G en %F RO_2021__55_S1_S1469_0
Das Roy, Monami; Sana, Shib Sankar. Production rate and lot-size dependent lead time reduction strategies in a supply chain model with stochastic demand, controllable setup cost and trade-credit financing. RAIRO. Operations Research, Tome 55 (2021), pp. S1469-S1485. doi: 10.1051/ro/2020112
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