Faculty Publications

Now showing 1 - 3 of 3

Delivery lead time competition between e-tailers: A game-theoretic study
(Institute of Electrical and Electronics Engineers Inc., 2021) Raju, S.; Rofin, T.M.; Kumar, S.
In the study, we analyse the impact of delivery time on the pricing, sales volume and profitability of a dual-channel supply chain consisting of manufacturer, retailer and e-tailer. We used the Stackelberg game to model the game between upstream and downstream channel partners and the horizontal Nash game to model the interaction between the e-tailers. Later we solved some numerical examples to develop the corollaries. It was found that the optimal price, sales volume and optimal profit significantly decreased when the delivery time was high and using game theory, we quantify the decrease. It was also observed that by regulating the customer preference towards the channel, this decrease can be controlled. Â© 2021 IEEE.
Retailing and pricing decisions in a three-tier fabless semiconductor supply chain with stochastic consumption rate and channel power structures under sustainability measures
(Taylor and Francis Ltd., 2024) Raju, S.; Tm, R.; Kumar, S.P.; Taleizadeh, A.A.
This study investigates the trade-off between sustainability measures and pricing strategies within a three-tier fabless semiconductor supply chain. We examine diverse configurations of channel power to identify the optimal power structure when integrating sustainability measures into the semiconductor foundry. The Stackelberg game, Vertical Nash game, and Mean-Variance analysis are employed to model the complex dynamics among channel partners. The findings indicate that for a specific threshold limit of manufacturing and sustainability costs, implementing sustainability measures not only increases the optimal price for foundry but also enhances the margin and sales volume for the fabless company, leading to improved profits for all chain partners. Examining channel power structures reveals the threshold limit of sustainability cost which maximise the profit for the channel leader and the channel follower. Additionally, lower price elasticity favours maximum profits under channel leadership, whereas higher price elasticity values result in higher optimal profits when both partners share comparable channel power. The study also identifies the significant influence of partners’ risk aversion on overall profitability and offers valuable insights for practicing managers in the fabless supply chain, providing guidance on optimising pricing strategies, navigating channel power dynamics, considering price elasticity, and managing risk aversion to enhance overall profitability. © 2024 Informa UK Limited, trading as Taylor & Francis Group.
Do wholesale pricing strategies matter during asymmetric disruptions? A game theoretic analysis
(Emerald Publishing, 2024) Raju, S.; Tm, R.; S, P.K.; Jacob, J.
Purpose: In most economies, there are rules from the market regulators or government to sell at an equal wholesale price (EWP). But when one upstream channel is facing a negative demand disruption and another positive, EWP can create extra pressure on the disadvantageous supply chain partner, which faces negative disruption. The purpose of this study is to analyse the impact of EWP and the scope of the discriminatory wholesale price (DWP) during disruptions. Design/methodology/approach: For the study, the authors used a dual-channel supply chain consisting of a manufacturer, online retailer (OR) and traditional brick-and-mortar (BM) retailer. Stackelberg game is used to model the interaction between the upstream and downstream channel partners, and the horizontal Nash game to analyse the interaction within downstream channel partners. For modelling asymmetric disruption, the authors took instances from the lock-down and post-lock-down periods of the COVID-19 pandemic, where consumers flow from BM retailer to OR store. Findings: By analysing the disruption period, the authors found that this asymmetric disruption is detrimental to the BM channel, favourable to OR and has no impact on the manufacturer. But with DWP, the authors found that the profit of the BM channel and manufacturer can be increased during disruption. Though the profit of the OR decreased, it was found to be higher than in the pre-disruption period. Under DWP, the consumer surplus increased during disruption, making it favourable for the customers also. Thus, DWP can aid in creating a win-win strategy for all the supply chain partners during asymmetric disruption. Later as an extension to the study, the authors analysed the impact of the consumer transfer factor and found that it plays a crucial role in the optimal decisions of the channel partner during DWP. Originality/value: Very scant literature analyses the intersection of DWP and disruptions. To the best of the authors’ knowledge, this study, for the first time uses DWP as a tool to help the disadvantageous supply chain partner during asymmetric disruptions. The study findings will assist the government, market regulators and manufacturers in revamping the wholesale pricing policies and strategies to help the disadvantageous supply chain partner during asymmetric disruption. © 2023, Emerald Publishing Limited.

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