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Wholesale-retail pricing strategies under market risk and uncertain demand in supply chain using evolutionary game theory

Ashkan Hafezalkotob (Department of Industrial Engineering, South Tehran Branch, Islamic Azad University, Tehran Iran)
Reza Mahmoudi (Department of Industrial and Systems Engineering, Isfahan University of Technology, Isfahan, Iran)
Elham Hajisami (Department of Industrial Engineering, South Tehran Branch, Islamic Azad University, Tehran Iran)
Hui Ming Wee (Chung Yuan Christian University, Taoyuan, Taiwan)

Kybernetes

ISSN: 0368-492X

Article publication date: 8 January 2018

Issue publication date: 24 May 2018

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Abstract

Purpose

Nowadays, uncertainty in market demand poses considerable risk to the retailers that supply the market. On the other hand, the risk-averse behaviors of retailers toward risk may have evolved over time. Considering a supply chain including a manufacturer and a population of retailers, the authors intend to investigate how the population of retailers tends to evolve toward risk-averse behavior. Moreover, this study aims to evaluate the effects of wholesale-retail price of manufacturer on evolutionary stable strategy (ESS) of the retailers.

Design/methodology/approach

Due to market uncertainty, a supply chain with a population of risk-averse and risk-neutral retailers was investigated. The wholesale pricing strategy is determined by a manufacturer acting as a leader, while retailers who make order quantity decisions act as followers. An integrated Cournot duopoly equilibrium and evolutionary game theory (EGT) approach has been used to model this situation.

Findings

A numerical real-world case study using Iran Khodro Company is analyzed by applying the proposed EGT approach. The study provides managerial insights to the manufacturer as well as retailers in developing their strategies. Results showed that risk behavior of retailers significantly affects optimal wholesale/retail price, profits and ESS. In the long term, the retailers tend to have a risk-neutral behavior to gain more profit. In the short term, if a retailer choses risk-averse strategy, in the long term, it will change its strategy to obtain more profit and remain in the competitive market.

Originality/value

The contributions in this research are fourfold. First, ESS concept to investigate the risk-averse or risk-neutral attitudes of the retailers was used. Second, the uncertain risk behavior of the competing retailers was considered. Third, the effect of varying wholesale pricing was investigated. Fourth, the equilibrium wholesale and retail prices have been obtained by considering uncertainty demand and risk.

Keywords

Citation

Hafezalkotob, A., Mahmoudi, R., Hajisami, E. and Wee, H.M. (2018), "Wholesale-retail pricing strategies under market risk and uncertain demand in supply chain using evolutionary game theory", Kybernetes, Vol. 47 No. 6, pp. 1178-1201. https://doi.org/10.1108/K-02-2017-0053

Publisher

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Emerald Publishing Limited

Copyright © 2018, Emerald Publishing Limited

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