بررسی مدل‌های تحلیل پوششی داده‌ها برای تخمین سطوح ورودی/خروجی و بهبودبخشی کارایی سازمان‌ها

نوع مقاله : مقاله پژوهشی

نویسنده

گروه مهندسی صنایع، دانشگاه تهران، تهران، ایران.

چکیده
در این مقاله مدل­‌های DEA، برای تخمین سطوح ورودی/خروجی و اعمال ترجیحات مدیر یا تصمیم‌­گیرندگان و نیز بهبودبخشی واحدهای ناکارا در حالت بازه‌­ای مورد‌بررسی قرار گرفت. در این مقاله روشی توسط حسین‌زاده‌ لطفی و همکاران [1] که در‌مورد تخمین سطوح خروجی به‌هنگام افزایش سطوح ورودی با فرض بازه‌­ای بودن داده­‌ها (مقادیر ورودی و خروجی به صورت بازه‌­ای می‌­باشند) است را با استفاده از مدل ارایه‌شده توسط فروغی و ونچه [2] گسترش داده تا ضمن افزایش سطوح خروجی کاهش و یا عدم‌تغییر آن‌ها را نیز شامل شود، مورد­مطالعه قرار گرفت؛ سپس مدلی برای تخمین سطوح ورودی به‌ هنگام تغییر (افزایش، کاهش یا عدم‌تغییر) سطوح خروجی با داده‌­های بازه‌­ای ارایه شده است.

کلیدواژه‌ها

موضوعات


عنوان مقاله English

Investigating data coverage models for input/output level and improving the efficiency of organizations

نویسنده English

Reza Tavakoli-Moghadam
Department of Industrial Engineering, University of Tehran, Tehran, Iran.
چکیده English

In this article, Data Envelopment Analysis (DEA) models were examined to estimate the input/output levels and apply the preferences of managers or decision makers, as well as the improvement of inefficient units in the interval mode. In this article, the method proposed by Hosseinzadeh Lotfi et al. [1], which is about estimating the output levels when the input levels are increased with the assumption that the data is interval (input and output values are interval), using the model presented by Foroughi and Hadi-Vencheh [2], it was expanded to include the reduction or no change of the output levels while increasing, it was studied. Then, a model for estimating the input levels when changing (increasing, decreasing or not changing) the output levels with interval data is presented.

کلیدواژه‌ها English

Efficiency
Efficiency improvement
Interval data
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