نتایج جستجو برای: polluting its surroundings for decades

تعداد نتایج: 10922568  

2003
Martin Persson

This study sets out to capture the effect that environmental policy has on trade and specifically then examining the notion that lax environmental regulations will constitute a basis of comparative advantage, causing the least regulated jurisdictions to specialize in polluting industries. This is done partly by a survey of the empirical literature on this subject and partly by performing an eco...

2012
Michael Greenstone John A. List Chad Syverson

The economic costs of environmental regulations have been widely debated since the U.S. began to restrict pollution emissions more than four decades ago. Using detailed production data from nearly 1.2 million plant observations drawn from the 1972-1993 Annual Survey of Manufactures, we estimate the effects of air quality regulations on manufacturing plants’ total factor productivity (TFP) level...

1997
Hassan Benchekroun Ngo Van Long Gerhard Sorger

Ce document est publié dans l'intention de rendre accessibles les résultats préliminaires de la recherche effectuée au CIRANO, afin de susciter des échanges et des suggestions. Les idées et les opinions émises sont sous l'unique responsabilité des auteurs, et ne représentent pas nécessairement les positions du CIRANO ou de ses partenaires. This paper presents preliminary research carried out at...

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

for several years, researchers in familiarity of efl teachers with post-method and its role in second and foreign language learners’ productions have pointed out that the opportunity to plan for a task generally develops language learners’ development (ellis, 2005). it is important to mention that the critical varies in language teaching was shown is the disappearances of the concept of method ...

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