نتایج جستجو برای: technical factors

تعداد نتایج: 1220960  

Journal: :journal of agricultural science and technology 0
b. h. gabdo institute of agricultural and food policy studies, university of putra, malaysia. m. i. mansor institute of agricultural and food policy studies, university of putra, malaysia. h. a. w. kamal institute of agricultural and food policy studies, university of putra, malaysia. a. m. ilmas institute of agricultural and food policy studies, university of putra, malaysia.

bootstrapping the dea is one of the current methods of measuring robust efficiency by constructing a confidence interval and measuring the noise (bias) in production. in this study, two estimators: the conventional data envelopment analysis (dea) and bootstrap simulation with 2,000 bootstrap iterations were applied on a cross sectional data of 296 broiler farms in peninsular malaysia. the objec...

S. Zhaoqun, W. Rong, Z. Yugui,

This paper used Data Envelopment Analysis (DEA) to measure the technical efficiency of fishing vessels in Haizhou Bay, and then used the Tobit regression to define its influencing factors. This study shows that the overall fishing capacity utilization of fishing vessels at present is very low which indicates that there is a serious problem of waste of resources in Haizhou Bay. Specifically, the...

Journal: :چغندرقند 0
عادل نعمتی هیئت علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان کرمانشاه جهانشاه بساطی هیئت علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان کرمانشاه اسدا... زارعی دانشجوی کارشناسی ارشد دانشگاه شهید چمران اهواز امیرحسین رستم پور دانشگاه آزاد اسلامی واحد کرج

in order to study effective factors in sugar beet production using two stage cluster sampling, totally one hundred producers were selected from kermanshah and islamabad cities in kermanshah province. data were collected through interviews and  filling out questionnairs for crop season 1999-2000. evaluation of technical efficiency of sugar beet producers and  its  effective factors was carried o...

Journal: :شیلات 0
سمیرا داد دانشجوی دکتری تولید و بهره برداری آبزیان، گروه شیلات، دانشگاه گنبد کاووس، گنبد کاووس، ایران رسول قربانی دانشیار، گروه شیلات، دانشگاه علوم کشاورزی و منابع طبیعی گرگان، گرگان، ایران علی دریجانی استادیار، دانشکدة اقتصاد کشاورزی، دانشگاه پیام نور کرمان، کرمان، ایران سعید یلقی استادیار، مرکز تحقیقات آبزیان آب های داخلی کشور، گرگان، ایران محسن یحیایی کارشناسی ارشد، ادارة کل شیلات استان گلستان، گرگان، ایران

considering the efficiency studies play a role in making available the revise in relative importance, policy reforms and resource management, this study has been accomplished in fish beach seine cooperative companies located in golestan province and used dea approach to measure the technical efficiency (te) and factor effects. the survey data were gathered from 20 farms, which selected via cens...

Journal: :Journal of Engineering and Applied Sciences 2019

Using mariculture data from China’s nine coastal provinces from 2003 to 2015, this paper first evaluates the technical efficiency through data envelopment analysis (DEA). Then, this paper analyses the spatial spillover effect of technical efficiency and its influencing factors with a spatial panel Durbin model (SDM). The results indicate that there are obvious regional differences in the techni...

Journal: :Agriculture 2021

This paper aims to analyse the technical efficiency (TE) of dairy farms and find its determinants. To accomplish this problem, Stochastic Frontier Analysis was applied. The data were obtained from Farm Accountancy Data Network database for (TF15-45—Specialist dairying) 2004–2019. Dairy divided into four clusters according their physical size (number livestock units per farm) economic (standard ...

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