ارائه مدل ترکیبی برای انتخاب تأمین‌کنندگان کارا در محیط رقابتی و تحت عدم قطعیت تقاضا

نوع مقاله: پژوهشی

نویسندگان

دانشگاه صنعتی ارومیه

چکیده

یکی از مهمترین مسائل در زنجیره‌تأمین، انتخاب تأمین‌کنندگان با هدف بهینه‌سازی هزینه‌های موجودی در شرایط عدم قطعیت تقاضا است. از سوی دیگر، در محیط رقابتی امروزی، بالا رفتن انتظارات مشتری برای خریداری محصولات با کیفیت و مقرون به صرفه، منجر به توسعه روابط بلندمدت اعضای زنجیره‌تأمین این محصولات از جمله خریدار و تأمین‌کننده شده است. بنابراین، مسأله انتخاب مجموعه مناسبی از تأمین‌کنندگان کارا و تخصیص سفارش به آن‌ها، یکی از مهم‌ترین تصمیمات استراتژیک برای ایجاد یک سیستم زنجیره‌تأمین کارا و بهینه در محیطی رقابتی و دارای عدم قطعیت است. این تحقیق در ابتدا سعی دارد با ارائه یک مدل ترکیبی برنامه‌ریزی چندهدفه از تحلیل پوششی داده‌ها و مدل هماهنگی خریدار-چند فروشنده (تأمین‌کننده)، انتخاب مجموعه‌ای از تأمین‌کنندگان کارا در محیطی غیر رقابتی و با فرض تقاضای غیر قطعی را انجام دهد. سپس، با ارائه مدل تحلیل پوششی داده‌ها بر مبنای بازی چانه‌زنی نش، رقابت بین تأمین‌کنندگان شبیه‌سازی می‌شود. نتایج حاصل از دو مدل، نشان می‌دهد که شرایط رقابتی منجر به بهبود کارایی شده است.

کلیدواژه‌ها


عنوان مقاله [English]

An integrated model for selecting efficient suppliers in a competitive environment under uncertain demand

نویسندگان [English]

  • samuel yousefi
  • Mustafa Jahangoshai Rezaee
university
چکیده [English]

One of the most important issues in the supply chain is supplier selection with the aim of optimizing expenditures on uncertain demand. On the other hand, due to today's competitive environment, rising customer expectations for high quality and affordable products purchased, lead to development the long-term relationship of supply chain members including buyer and supplier. Therefore, selection of an appropriate set of efficient supplier and allocating orders to theirs, is one of the most important strategic decisions to create effective and efficient supply chain system in competitive environment that characterized by uncertainty. This study, at first, is attempted to select a set of efficient suppliers in a non-competitive environment with uncertain demand through the presenting an integrated model of multi objective programming including data envelopment analysis (DEA) and single buyer-multi vendor (supplier) coordination. Afterwards, by presenting a DEA model based on Nash bargaining game, the competitive environment among suppliers is simulated. The results of the two models shows that competitive environment has led to improved efficiency.

کلیدواژه‌ها [English]

  • Supplier selection
  • Efficiency
  • Data Envelopment Analysis
  • Nash bargaining game
  • Uncertain demand
 

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