نتایج جستجو برای: economic concentration

تعداد نتایج: 690863  

2000
Pavel Kuznetsov Alexander Muravyov

Based on panel data from 1995-1997, the research focuses on the impact of ownership structure on the performance of Russian non-financial privatized companies that constitute the group of blue chips of the country’s stock market. Several performance indicators are used: Tobin’s Q, labour productivity and profitability. In particular, the paper analyzes the relationship between company performan...

2014
Donald Rosenfield

Some biopharmaceutical companies have responded to evolution of the competitive landscape by placing additional emphasis on reducing their costs of manufacturing as a means of maintaining competitiveness. The prototypical current generation biopharmaceutical drug substance manufacturing facility requires a large upfront capital investment. Improving efficiency of use of existing facilities, suc...

اسماعیل نسب, نادر, خسروی, اردشیر, دلپیشه, علی, روشنی, دائم, قادری, ابراهیم, مرادی, قباد, نوری, بیژن, گودرزی, الهام,

Background and Objectives: Life satisfaction is one of the important dimensions of health, which is influenced by health determinants. The aim of this study was to investigate the status of socioeconomic inequalities in satisfaction with life in women aged 15-54 in Iran.   Methods: In this cross-sectional study, randomized multistage cluster sampling with equal clusters was done to select the...

2011
Hoang Van Minh Hung Nguyen-Viet

BACKGROUND Improved sanitation has been shown to have great impacts on people's health and economy. However, the progress of achieving the Millennium Development Goals (MDGs) on halving the proportion of people without access to clean water and basic sanitation by 2015 has thus far been delayed. One of the reasons for the slow progress is that policy makers, as well as the general public, have ...

ژورنال: مجله علمی پژوهان 2018
اسکندری, بتول, امیریان, حسین, رستمی, مهران, زارعی, مینا,

Background and Objectives: Smoking or second hand smoke is a basic problem in public health and it is a preventable cause of non-communicable diseases and premature deaths.  The aim of this cross-sectional study was to estimate the prevalence of tobacco consumption and the socioeconomic inequality in rural areas of Hamadan city. Materials and Methods: This study was conducted ...

Journal: :محیط زیست طبیعی 0
زینب رفیعی کارشناس ارشد، دانشکده مهندسی منابع طبیعی، دانشگاه صنعتی اصفهان نورالله میرغفاری دانشیار دانشکده مهندسی منابع طبیعی، دانشگاه صنعتی اصفهان سید حمید متین خواه استادیار دانشکده مهندسی منابع طبیعی، دانشگاه صنعتی اصفهان

increasing energy demands associated with economic growth and industrialization have resulted in dramatic increases in air pollution emissions. air pollution damages the plant mainly by disrupting cell homeostatic conditions.in the present study, diverse plant criteria indicating air pollution from different levels including cell biochemistry, leaf and tree crown in the plane-tree were determin...

بخشی, علی, دادبان شهامت, یوسف, رضایی کلانتری, روشنک, ززولی, محمدعلی, زینال زاده, داریوش,

Background and purpose: Many conventional disinfection methods of effluents raise some health, efficiency and economic concerns. In order to increase the efficiency of disinfection of real effluent, in this study, the catalytic ozonation process was performed and economically compared with chlorination. Materials and methods: Magnetic activated carbon was used as acatalyst in a semi-continuo...

2015
Ahmad Fayaz-Bakhsh Arefeh Mousavi

| December 2015 | 1218 In spite of an emphasis on high quality and quantity of Iranian publications in this article,[2] it should be noted that the complete cycle of science is not summarized in the first chain (science-production). Indeed, the production of technology and the achievement of economic development should be put in the context of scientific and research activities. Scientific prog...

2007
Victor Nee Sonja Opper Sonia Wong

China’s state-guided economic miracle has revitalized a long-standing and unsettled debate about the role of government in transformative economic development. In a firm-level study of corporate governance we examine whether direct state involvement actually makes a positive contribution to the economic performance of newly incorporated firms in China’s urban economy. We show that direct interv...

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