نتایج جستجو برای: sbm dea

تعداد نتایج: 8720  

Journal: :shiraz journal of system management 0

abstract. data envelopment analysis (dea) is now widely utilized as a method for assessing relative efficiency of a set of decision making units (dmus). along as evaluating relative efficiency dea models are capable of to be improved for finding benchmark for inefficient units which can help managers for better making decision. thus it is important to obtain accurate results from dea models. in...

Journal: :ژورنال بین المللی پژوهش عملیاتی 0
m. shafiee s. j. iranban m. sangi m. ghaderi

data envelopment analysis (dea) has been applied in many studies in the banking industry but deficiency of empirical studies in iranian banking sector that incorporate time factor into the efficiency, have still remained. previous studies measured the efficiency of bank branches in a single period within cross-sectional data. they did not consider the effect of interconnecting activities (links...

Journal: :Energies 2022

Electrical power distribution is the most important division in supply chain. However, its sustainability terms of efficiency very for growth every country. This main objective paper to assess productivity dynamics this process using data envelopment analysis (DEA) methodology analyse effectiveness electricity regions (EDRs) over a period 7 years. The adapts biennial Malmquist index by infusing...

Journal: :Environment, Development and Sustainability 2022

Because port operations have rapidly been extending, air pollution resulted from ports has increased and become a persistent concern for environmentalist policy makers. The objective of this paper is to measure the environmental efficiency in Korea. main characteristic assessment problem that undesirable output carbon dioxide (CO2) emissions exogenous fixed input terminal area should concurrent...

2015
Yu-Chuan Chen Yung-Ho Chiu Chin-Wei Huang Chien Heng Tu

a r t i c l e i n f o In the fast changing financial circumstances of nowadays, in avoiding the crisis of closing down, financial institutions are concerned about the efficiency and risk strictly in the meantime. Therefore, efficiency and risk management are goals for a financial institution administrator. Data Envelopment Analysis (DEA) is a non-parameter approach to evaluate the performance o...

Journal: :IEEE Transactions on Cloud Computing 2022

An increasing number of organizations and businesses around the world use cloud computing services to improve their performance in competitive marketplace. However, one biggest challenges using is measurement selection best service providers (CSPs) based on quality (QoS) requirements <xref ref-type="bibr" rid="ref13" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/...

پایان نامه :دانشگاه آزاد اسلامی واحد کرمانشاه - پژوهشکده ریاضیات 1393

در این تحقیق به دنبال معرفی اندازه کارایی بهبود یافته هستیم، که مبنای آن استفاده از تابع اندازه جهتی در تحلیل پوششی داده هاست. هدف اصلی ارتقاء مدل های تحلیل پوششی داده ها ) dea ( است، به نحوی که توانایی مواجـه شدن با داده های مثبت، منفی و مرکب (مثبت و منفی) را دارا باشند. از ویژگیهای مدل ارایه شده، این است که با استفاده از این مدل می توان یک مقدار اسکالر برای کارایی بدست آورد، و همچنین این مدل ...

Journal: :Axioms 2022

As Vietnam continues to industrialize and modernize, such economic development high-tech will require a major electrical energy source operate the equipment; hence, hydropower plants are established growing up demand. Therefore, purpose of this study is evaluate business performance Vietnamese suppliers by integrating LTS(A,A,A) model Additive Holt-winters method in Tableau super-slacks-based m...

Journal: :European Journal of Operational Research 2023

The data envelopment analysis (DEA) model is extensively used to estimate efficiency, but no study has determined the DEA that delivers most precise estimates. To address this issue, we advance Monte Carlo simulation-based generation process proposed by Kohl and Brunner (2020). developed generates an artificial dataset using Translog production function (instead of commonly Cobb Douglas) constr...

In evaluating the efficiency of decision making units (DMUs) by Data Envelopment Analysis (DEA) models, may be more than one DMU has an efficiency score equal to one. Since ranking of efficient DMUs is essential for decision makers, therefore, methods and models for this purpose are presented. One of ranking methods of efficient DMUs is cooperative game theory. In this study, Lee and Lozano mod...

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