یک تجزیه جدید از کارایی هزینه بر اساس مجموعه های امکان تولید قیمتی و هزینه ای در فضای غیررقابتی در تحلیل پوششی داده ها

Subject Areas : International Journal of Industrial Mathematics

رضا فلاح نژاد ¹ ( گروه ریاضی، واحد خرم آباد، دانشگاه آزاد اسلامی، خرم آباد، ایران. )
الهام رضایی حزاوه ² ( گروه ریاضی، واحد خرم آباد، دانشگاه آزاد اسلامی، خرم آباد، ایران. )

Received: 2020-03-28 Accepted : 2021-11-19 Published : 2022-01-01

Keywords: قیمت های مختلف, تحلیل پوششی داده ها, کارایی هزینه, محیط غیر رقابتی,

Abstract :

شناسایی منابع مختلف ناکارایی، نقش مهمی در تحلیل عملکرد با هدف توسعه برنامه‌هایی برای بهبود تصمیم‌گیری ایفا می‌کند. در این راستا نه تنها کارایی فنی، هزینه ای و تخصیصی را می توان با اطلاعات ورودی ها و خروجی ها و قیمت آنها تخمین زد، بلکه می توان زیان های ناشی از عدم سود، درآمد و هزینه بهینه را نیز بر اساس ناکارای های مربوطه محاسبه کرد.  مقاله حاضر قصد دارد تخمین جدیدی از کارایی هزینه و منابع تلفات در کارایی کل در یک محیط غیر رقابتی که امکان تغییر قیمت ورودی ها و خروجی ها از یک واحد تصمیم گیری وجود دارد، را ارائه دهد. در راستای مطالعات(Tone. K., Tsutsui, M. "Decomposition of Cost Efficiency and its Application to Japanese-Us Electric Utility Comparisons". Socio-Economic Planning Sciences 47 (2007), pp.91-106)و(Tone .K, "A Strange Case of the Cost and Allocative Efficiencies in DEA". Journal of the Operational Research Society 53, (2002), pp.1225-1231)مطالعه حاضر به دنبال معرفی منابع جدید ناکارایی و زیان های مرتبط با آنها توسط ارائه مجموعه های امکان تولید جدید مبتنی بر قیمت و هزینه می باشد. 

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