نتایج جستجو برای: production factor
تعداد نتایج: 1390346 فیلتر نتایج به سال:
The purpose of this article is to study the factor content of trade in Iran. To improve the trade affair, Iran needs a suitable model for production, export and import of required goods. Factor content of trade detects and amplifies it to pay. In this paper using (HOV) model and input-output (IO) we evaluate factor content of trade in different sectors in 1991-2001. The results show that Factor...
To calculate partial and total productivity of production factors in broiler farms in Yazd province, 72 manufacturing units were selected based on simple random sampling method and their information and statistics were collected for one production period in the second half of 2013. To measure productivity, the Cobb-Douglas production function was estimated using classic and fuzzy regression met...
Sustainable development is one of the most important issues that can be considered from different aspects and in different contexts including sustainable agriculture. This study aimed to investigate the main strategies related to sustainable development of rice production as an important agricultural product in Guilan Province using a SWOT analysis. To this end, different internal (strengths an...
In most studies in the field of international economics import is considered as a final consumer good in the consumption basket of consumers. Accordingly, if import is considered as a factor of production, estimation of import demand function would be considered as an innovation. In this paper, with the use of shephard lema function, share of each factor of production in total costs has been e...
abstract due to limited water resources and occurrence of recent droughts, the use of new management and planning methods for optimal irrigation scheduling of agricultural crops is inevitable. present of appropriate mathematical and dynamic relationship between yield, evapotranspiration and water use efficiency parameters is the first and most important step in the optimal management of irrigat...
امروزه، در بیشتر اراضی سرعت فرسایش خاک بیش از سرعت تشکیل خاک است. در نتیجه باعث تهی شدن منابع خاک و کاهش توانایی حاصلخیزی خاک می شود. در ایران استان گلستان به علت موقعیت جغرافیایی و اقلیمی آن و تخریب بالای منابع آن و همچنین به علت اینکه سطح وسیعی از اراضی از لس تشکیل شده دارای میزان فرسایش خاک بالایی می باشد. یکی از راه های تخمین میزان فرسایش و رسوب و بررسی میزان تلفات مواد غذایی خاک استفاده از...
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