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Item Impact of green retail operations on the profit of the manufacturer and the retailer under different pricing strategies(Springer, 2021) Rofin, T.M.; Singha Mahapatra, M.S.; Mahanty, B.The increasing customer awareness of environmental sustainability has motivated retailers to engage in green practices. In this paper, we consider a retailer involved in green retailing operations under a dual-channel supply chain framework under which the manufacturer is selling through an e-marketplace and a retailer. We investigate the impact of green retailing operations on the profit of the supply chain members for consistent pricing strategy and inconsistent pricing strategy using a non-linear demand function. We resort to a bi-level genetic algorithm for the solutions. Through a numerical example, we have quantified the profit of the chain members and assessed the impact of the retailer’s engagement in green retail operations on the profit of the chain members. We have also carried out a sensitivity analysis of the profit of the chain members for the rapidly evolving customer preference for e-marketplace. From the numerical illustration, we found that (1) it is beneficial for the retailer to engage in green retail operations irrespective of the pricing strategy (2) retailer’s engagement in green retail operations reduces the profit of the manufacturer regardless of the pricing strategy of the retailer. © 2020, Operational Research Society of India.Item Impact of wholesale price discrimination on the profit of chain members under different channel power structures(Palgrave Macmillan, 2021) Rofin, T.M.; Mahanty, B.The purpose of this paper is to investigate the impact of wholesale price discrimination by a manufacturer on the profitability of chain members in a Retailer—E-tailer dual-channel supply chain for different product categories based on their online channel preference. We have considered two distinct channel power structures in this study, i.e., (i) retailer has higher channel power than the e-tailer and (ii) e-tailer has higher channel power than the retailer. Game-theoretic models are developed to examine the competition between the retailer and e-tailer and to derive their optimal decisions under equal wholesale price strategy and discriminatory wholesale price strategy for the channel power structures considered. Further, a numerical example was employed to quantify the results and to capture the variation with respect to online channel preference of the product. We have found that discriminatory wholesale price strategy is the gainful strategy (i) for a manufacturer dealing with products having high online channel preference under retailer leader structure (ii) for the manufacturer dealing with products having low online channel preference under e-tailer leader structure. Equal wholesale price strategy is the gainful strategy (i) for a manufacturer dealing with products having low online channel preference under retailer leader structure and (ii) for a manufacturer dealing with products having high online channel preference under e-tailer leader structure. The study helps the manufacturers to maximize their profit by adopting the right wholesale price strategy considering the online channel preference of the product and the downstream channel power structure. © 2021, The Author(s), under exclusive licence to Springer Nature Limited.