نتایج جستجو برای: variable returns to scale

تعداد نتایج: 10762288  

Journal: :American Journal of Theoretical and Applied Statistics 2013

A. Nikkhah A. Rohani B. Emadi, H. Soltanali M. Khojastehpour

The aims of this study were to evaluate the energy consumption and its modeling in industrial milk production units using data envelopment analysis (DEA) approach and sensitivity analysis. Data were collected from 44 industrial milk production units in Guilan province of Iran with face to face questionnaire method during 2012-2013. Inputs included animal feed, fossil fuels, electricity, machine...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی 1392

the purpose of this quantitative study was to investigate the relation between efl teachers’ self-efficacy beliefs and their success. moreover, the study was an analysis of the teacher age, gender and years of teaching experience, to examine the manner in which these factors relate to teacher self-efficacy as defined by bandura (1997) and teaching effectiveness as evaluated by their own student...

پایان نامه :0 1375

to explore the idea the investingation proposed, aimed at finding whether the performances of the population of iranians students studying english in an efl context are consistent in l1 and l2 writing taks and whether there is a cross-linguistic transfer in this respect. in this regard the subjects were instructed to write four compositions-two in english and two in farsi-which consisted of an ...

Journal: :مدیریت اطلاعات سلامت 0
سمیرا نیکوکار دانشجوی کارشناسی ارشد، مهندسی صنایع گرایش مدیریت سیستم و بهره وری، دانشگاه آزاد اسلامی واحد نجف آباد، اصفهان، ایران. سعیده کتابی استادیار، تحقیق در عملیات، دانشگاه اصفهان، اصفهان، ایران. الهام معظم دکتری تخصصی، پزشکی اجتماعی، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران. (نویسنده ی مسؤول) email: [email protected]

introduction: the purpose of this research was to evaluate the performance of the hospitals’ managers affiliated to medical university of isfahan by data envelopment analysis (dea) method. also since some attributes of performance are qualitative, analytical hierarchy process (ahp) method was used also to quantify the data. methods: this research was practical in purpose and descriptive-analyti...

Journal: :Health economics 2012
Titus J Galama Patrick Hullegie Erik Meijer Sarah Outcault

We estimate a health investment equation, derived from a health capital model that is an extension of the well-known Grossman model. Of particular interest is whether the health production function has constant returns to scale, as in the standard Grossman model, or decreasing returns to scale, as in the Ehrlich-Chuma model and extensions thereof. The model with decreasing returns to scale has ...

Journal: :European Journal of Operational Research 2014
Victor V. Podinovski Ihsan Ismail Tatiana Bouzdine-Chameeva Wenjuan Zhang

Our paper reports on the use of data envelopment analysis (DEA) for the assessment of performance of secondary schools in Malaysia during the implementation of the policy of teaching and learning mathematics and science subjects in the English language (PPSMI). The novelty of our application is that it makes use of the hybrid returns-to-scale (HRS) DEA model. This combines the assumption of con...

پایان نامه :0 1374

in fact, this study focused on the following questions: 1. is there any difference between the effect of functional/notional approach and the structural approaches to language teaching on the proficiency test of efl learners? 2. can a rather innovative language test referred to as "functional test" ge devised so so to measure the proficiency test of efl learners, and thus be as much reliable an...

Journal: :Journal of dairy science 2015
J J Allendorf P J C Wettemann

This article investigated how process-based animal welfare indicators (PAI) affected the technical efficiency of German dairy farms. A sample of 115 North-Rhine Westphalian dairy farms was used to estimate their technical efficiency with data envelopment analysis. A censored regression model was then applied to quantify the effects of PAI on technical efficiency. The results indicated that in p...

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