每篇10币求Elsevier以及informaworld1篇

（1）Total factor productivity and the Environmental Kuznets Curve: A comment and some intuition
Ecological Economics
Volume 63, Issue 1, 15 June 2007, Pages 54-58
URL:[url]http://dx.doi.org/10.1016/j.ecolecon.2006.09.020[/url]
（2）Assessing the Precision of Turning Point Estimates in Polynomial Regression Functions  Authors: Florenz Plassmanna; Neha Khannab
URL http://www.informaworld.com/smpp/content~db=all~content=a781708631

（1）Total factor productivity and the Environmental Kuznets Curve: A comment and some intuition
Ecological Economics
Volume 63, Issue 1, 15 June 2007, Pages 54-58
URL:[url]http://dx.doi.org/10.1016/j.ecolecon.2006.09.020[/url]

（2）Assessing the Precision of Turning Point Estimates in Polynomial Regression Functions  
Authors: Florenz Plassmanna; Neha Khannab

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1# qw

多谢二位！