نتایج جستجو برای: digit isic codes during the period 1995

تعداد نتایج: 16292097  

Journal: :تحقیقات اقتصادی 0
محمدنبی شهیکی تاش دانشگاه سیستان و بلوچستان، گروه اقتصاد

this paper using generalized roeger's model calculated the lerner index for iranian active industries in 4-digit isic codes during the period 1995-2007. the findings indicate that the lerner index has been between 8 to 16 percent in 38 industries among 131 ones. the index also in different industries shows that more than 50 percent of iranian industries have monopolistic power such that th...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و زبانهای خارجی 1393

the current study aimed at investigating the relationship between motivation and test preparation strategies (tpss) used by iranian pre-university students in their preparation period for the university entrance exam (uee). due to the importance of uee in iran, this study also attempted to show its impact on these two important variables. to this end, 100 pre-university students in an iranian p...

The current study is an attempt to estimate markup and return to scale of 19 two-digit ISIC manufacturing industries of Iran, simultaneously, in accordance to Solow Residual and Structural approach, during the period 1995-2007. Based on Solow Residual approach, the neoclassical assumption of constant return to scale is approved within 95% of manufacturing industries; however in 84% of industrie...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

this study was an attempt to investigate the effect of using c-test passages on the reading comprehension and incidental vocabulary learning of iranian intermediate efl learners. the participants were 60 male efl learners at kish mehr institute in garmsar. in fact, there were two groups, an experimental group and a comparison group with 30 students in each. the participants were pretested throu...

Journal: :تحقیقات اقتصادی 0
محسن پورعبادالهان کویچ استادیار گروه اقتصاد دانشکده‎ی علوم انسانی و اجتماعی دانشگاه تبریز غلامحسین رهنمای قراملکی دانشجوی کارشناسی ارشد گروه اقتصاد دانشکده‎ی علوم انسانی و اجتماعی دانشگاه تبریز رسول حجت خواه دانشجوی کارشناسی ارشد گروه اقتصاد دانشکده‎ی علوم انسانی و اجتماعی دانشگاه تبریز

generally, developing countries are not able to invest enough on r&d; therefore, they try to get benefit from knowledge spillover, as an external r&d.; this paper tries to investigate the impact of r&d; expenditures and imported intermediate goods, as a proxy for technology imports, on value added of iranian industries. to that end, we use a panel data set of iranian two-digit isic manufacturin...

Domestic innovations and technology imports play important roles in boosting relative demand for skilled labor force. These factors are in turn influenced by domestic R&D investments and international trade. Using a translog cost function, this paper studies the effect of technology imports and other factors including output level and physical capital stock on the shares of skilled labor force ...

Journal: :تحقیقات اقتصادی 0
ابوذر شاکری کارشناس ارشد رشتة توسعة اقتصادی و برنامه ریزی علیمراد شریفی عضو هیئت علمی و دانشیار گروه اقتصاد دانشگاه اصفهان

factor demand behavior such as energy demand has an important role in the economic analysis. this issue is a major concern in the developing countries (e.g. iran) which are benefited from vast energy resources. in this paper, the third generation of factor demand models is used to analyze the behavior of capital adjustment in the iranian manufacturing industries. the dataset covers the two-digi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زیست شناسی 1388

126 abstract: in this research we studied the effects of cyclic hydration and dehydration of cysts of artemia urmiana and artemia parthenogenetica on the hatching percentage, survival and growth. the experiment was carried out in 3 treatments (1-3 hydration/dehydration cycles) with 3 replicates for each treatment. later effects of cold preservation at -20°c during three time periods were ...

2015
Songhua Lin Alyson C. Ma

This paper aims to provide the first investigation of the productivity effect of outsourcing by using the Korean industry data at the three-digit ISIC level. We find that there are positive productivity gains from material outsourcing. The impact of material outsourcing increases when we account for the share of imports from China. This is due to the growth of Chinese exports to Korea over the ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - دانشکده جغرافیا 1392

the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...

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