نتایج جستجو برای: data envelopment analysis efficiency

تعداد نتایج: 4728671  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده مدیریت 1392

data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...

Journal: :international journal of industrial mathematics 0
m. ‎jahantighi department of mathematics‎, ‎islamic azad ‎‎university‎, ‎zahedan branch‎, ‎zahedan‎, ‎iran.‎ z. ‎moghaddas‎ department of electrical‎, ‎computer and biomedical engineering‎, ‎‎‎islamic azad university‎, ‎qazvin branch‎, ‎qazvin‎, ‎iran. m. ‎vaez-‎ghasemi‎ department of mathematics‎, ‎islamic azad‎‎ university‎, ‎rasht ‎b‎ranch‎, ‎rasht‎, ‎iran.‎

‎in this paper allocating a fixed resource for producing ‎finite projects in order to obtaining a desired level of‎ ‎efficiency will be discussed‎. ‎note that it is assumed that a ‎vector of limited sources is at hand‎. ‎this vector of resources can‎ ‎be contained human resource‎, ‎budget‎, ‎equipment‎, ‎and facilities‎. ‎in ‎any firm there exist different suggestions from subunits for ‎running...

Journal: :international journal of data envelopment analysis 0
m. fallah jelodar

the cross efficiency evaluation is used to performance measurement of decision making units in data envelopment analysis concept. one of the most important shortcoming of this method is existing alternative optimal solution and therefore, the efficiency scores are not unique. we are going to summarize the pervious models proposed by researchers and suggest an alternative secondary goal approach...

Journal: :مدیریت اطلاعات سلامت 0
حمید سپهردوست استادیار، اقتصاد، دانشکده ی اقتصاد و علوم اجتماعی، دانشگاه بوعلی سینا، همدان، ایران الهام رجبی کارشناس ارشد، اقتصاد، دانشکده ی اقتصاد و علوم اجتماعی، دانشگاه بوعلی سینا، همدان، ایران

introduction: iran's social security organization provides hospital services through direct treatment system (hospitals owned by the organization) and indirect treatment system (purchasing of hospital services and other health care services from other providers). the current research aims to assess technical performance and determine the relationship between activity size and efficiency level o...

Journal: :shiraz journal of system management 0
farhad hosseinzadeh lotfi department of mathematics science and research branch, islamic azad university tehran, iran g.l. jahanshahloo department of mathematics science and research branch, islamic azad university tehran, iran z. moghaddas department of electrical computer and biomedical engineerin, islamic azad university-qazvin branch qazvin, iran m. vaez-ghasemi department of mathematics science and research branch, islamic azad university tehran, iran

as regards of supper efficiency models which increased thediscrimination power of the standard dea models, still infeasibility mayoccure. in literature there exists some models overcome this difficulty.in this paper a new procedure has been mooted in order to remove thisshortcoming in a way that both input savings and output surplus arebeing considered. this procedure deals with nonradial chang...

Journal: :iranian journal of optimization 2010
k. shahroudi sh. assimi

performance evaluation has been developed in the form of management schools along by managerial thought development. banks and financial institutes are one of the most important economic sections to each country which by receipts and payments directing and organizing facilitate business and commercial transactions and develop markets and economic growth and as the main pillars in directing and ...

Journal: :journal of agricultural science and technology 2012
r. pahlavan m. omid a. akram

in the present study, an attempt has been made to use data envelopment analysis (dea) for assessing the technical efficiency and return-to-scale for greenhouse cucumber production in iran. for this purpose, the data from greenhouses in esfahan province, during one period of plant cultivation in one year including spring plants were randomly collected. the results indicated that total input ener...

Journal: :hospital practice and research 0
satar rezaei research center for environmental determinants of health, kermanshah university of medical sciences, kermanshah, iran nooredin dopeykar najmiyeh hospital, baqiyatallah university of medical sciences, tehran, iran mohsen barouni health services management research center, institute for futures studies in health, kerman university of medical sciences, kerman, iran mohammad jafari iranian health insurance, kerman, iran fardin gharibi vice chancellor for research affairs, kurdistan university of medical sciences, sanandaj, iran

background: one way to improve the performance of hospitals, the largest resource-consuming units in the healthcare sector, is to continuously evaluate their performance.objective: the current study assessed the performance of hospitals affiliated with the kurdistan university of medical sciences using data envelopment analysis (dea).methods: this retrospective descriptive-analytic study used d...

Journal: :international journal of health studies 0
ali taheri 1 1. dept. of industrial management, shiraz branch, islamic azad university, shiraz, iran. shapoor amin shayan jahromi 1* farhad lotfi 2 2. dept. of management and information sciences, school of management, shiraz university of medical sciences, shiraz, iran.

background: nowadays, healthcare systems are considered as important service sectors, and they are social development and welfare standards; hence the performance of this sector is highly important. evaluating performance is the first step of various departments to determine the efficiency of the healthcare system. in the meantime, diagnostic laboratories of hospitals play important roles as sp...

Journal: :international journal of data envelopment analysis 0
e. noroozi e. sarfi f. hosseinzadeh lotfi

examining the impacts of data modification is considered as sensitivity analysis. a lot of studies have considered the data modification of inputs and outputs in dea. the issues which has not heretofore been considered in dea sensitivity analysis is modification in the number of inputs and (or) outputs and determining the impacts of this modification in the status of efficiency of dmus. this pa...

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