نوع مقاله : مقاله پژوهشی

نویسندگان

1 گروه ریاضی، دانشگاه آزاد اسلامی واحد قزوین، قزوین، ایران.

2 گروه ریاضی، دانشگاه آزاد اسلامی واحد رشت، رشت، ایران.

10.22105/dmor.2021.237515.1166

چکیده

هدف: ارزیابی کارایی هزینه در یک سیستم شبکه با استفاده از مدل‌های تحلیل پوششی داده‌ها می‌تواند از جنبه های مختلفی که در برنامه‌های واقعی وجود دارد، بهبود یابد. در این مطالعه، هدف آن است که یک مجموعه خاص از وزن‌ها را برای ارزیابی کارایی هزینه در یک سیستم شبکه دو مرحله‌ای در نظر بگیریم.
روش‌شناسی پژوهش: در این پژوهش، با استفاده از روش تحلیل پوششی داده‌ها، سعی در ارائه مدلی برای ارزیابی هزینه سیستم شبکه است.
یافته ها: نتایج نشان داد که در نظر گرفتن روابط بین مراحل مختلف در یک سیستم شبکه می‌تواند مستقیماً بر نتایج بدست آمده تأثیر بگذارد. این موضوع از ارزیابی بهینه‌‌سازی هزینه بررسی شده است. در نظر گرفتن مجموعه وزنه‌ها از جنبه‌های مختلف می‌تواند در امتیازات به دست آمده تأثیر بگذارد.
اصالت/ارزش افزوده علمی: با توجه به مدل‌ها و روش‌های موجود در ادبیات، در این مطالعه مدلی ارائه شده است که کارایی هزینه را در یک مدل دو مرحله‌ای در نظر می‌گیرد.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Revenue efficiency evaluation with nonlinear prices in a two-stage network in data envelopment analysis

نویسندگان [English]

  • Zohreh Moghaddas 1
  • Mohsen Vaez Ghasemi 2

1 Department of Mathematics, Qazvin Islamic Azad University, Qazvin, Iran.

2 Department of Mathematics, Rasht Islamic Azad University, Rasht, Iran.

چکیده [English]

Purpose: Evaluating the cost efficiency of a network system using Data Envelopment Analysis (DEA) models can be improved from various aspects that exist in real applications. In this study, the aim is to consider a specific set of weights to evaluate cost efficiency in a two-stage network system.
Methodology: In this research, using data envelopment analysis method, an attempt is made to provide a model for evaluating the cost of the network system.
Findings: The results showed that considering the relationships between different stages in a network system can directly affect the results. This issue has been investigated from cost optimization assessments. Considering the set of weights from different aspects can affect the scores obtained.
Originality/Value: According to the models and methods in the literature, in this study, a model is presented that considers cost efficiency in a two-stage model.

کلیدواژه‌ها [English]

  • Data Envelopment Analysis
  • Two-Step network
  • Cost efficiency
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