Coordination of R&D Effort, Pricing, and Periodic Review Replenishment Decisions in a Green Supply Chain through a Delay in Payment Contract

Document Type : Research Paper


Faculty of Industrial Engineering, Iran University of Science and Technology, Tehran, Iran


This study contributes to the literature on supply chain coordination by coordinating the research and development (R&D) effort, retail price, and inventory decisions. It investigates a real case in the home appliance industry. The main purpose of this study is to examine the optimal values of R&D effort, pricing, and inventory decisions under decentralized and centralized structures. Then, a delay in payment contract is proposed under coordinated structure to simultaneously coordinate all decisions. Moreover, to share the extra profit obtained from the coordinated model between both parties, a profit allocation strategy is proposed. The findings reveal that the coordinated model not only enhances the green supply chain (GSC) profitability in comparison with the decentralized structure but also enhances the profits of all members. Further, the proposed contract improves the GSC performance from both environmental and economic viewpoints.


Article Title [فارسی]

هماهنگی فعالیت‌ تحقیق و توسعه، قیمت‌گذاری و تصمیمات بازپرسازی در زنجیره تامین سبز با به کارگیری قرارداد تاخیر در پرداخت

Authors [فارسی]

  • سید مهدی حسینی مطلق
  • سمیرا ابراهیمی
  • زینب فرشادفر
دانشکده مهندسی صنایع، دانشگاه علم و صنعت ایران، تهران، ایران
Abstract [فارسی]

در این مقاله یک زنجیره تامین دو سطحی شامل یک تولیدکننده و یک خرده­فروش در صنعت لوازم خانگی مورد مطالعه قرار گرفته است. هدف اصلی این مطالعه، بررسی فعالیت تحقیق و توسعه، قیمت­گذاری و تصمیمات موجودی در ساختارهای غیرمتمرکز و متمرکز می­باشد. به منظور دستیابی به مقادیر بهینه در ساختارهای غیرمتمرکز و متمرکز، یک الگوریتم ارائه شده است. سپس، یک قرارداد تاخیر در پرداخت به عنوان یک مکانیزم هماهنگی به منظور هماهنگی فعالیت تحقیق و توسعه، قیمت­گذاری و تصمیمات موجودی توسعه داده شده است. علاوه بر این، برای تقسیم سود اضافی حاصل از مدل هماهنگی بین اعضای زنجیره تامین، یک استراتژی تخصیص سود پیشنهاد شده است. نتایج حاصل نشان می­دهند که مدل هماهنگ نه تنها سودآوری زنجیره تامین سبز را در مقایسه با مدل غیر متمرکز افزایش می­دهد، بلکه سود همه اعضا زنجیره تامین را افزایش می دهد. همچنین، قرارداد پیشنهادی عملکرد زنجیره تامین سبز را از منظر زیست محیطی و اقتصادی بهبود می­بخشد.

Keywords [فارسی]

  • هماهنگی زنجیره تأمین سبز
  • فعالیت تحقیق و توسعه
  • تأخیر در قرارداد پرداخت
  • سیستم موجودی مرور دوره‌ای
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