نتایج جستجو برای: highly polluting and polluting groups then

تعداد نتایج: 16909588  

پایان نامه :0 1374

in fact, this study focused on the following questions: 1. is there any difference between the effect of functional/notional approach and the structural approaches to language teaching on the proficiency test of efl learners? 2. can a rather innovative language test referred to as "functional test" ge devised so so to measure the proficiency test of efl learners, and thus be as much reliable an...

Journal: :Journal of Bacteriology & Mycology: Open Access 2016

Journal: :Economic Development and Cultural Change 2018

2016
Hongbin Cai Yuyu Chen Qing Gong

This paper studies how the pollution reduction mandates imposed by China's central government in 2001 triggered unanticipated responses from its provinces. We apply the difference-in-differences-in-differences (DDD) method to a unique dataset on industrylevel activities in counties along 24 major rivers in China from 1998 through 2008. We find that the most downstream county of a province has u...

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