【作者(必填)】Halkos, George E
【文题(必填)】Environmental Kuznets Curve for sulfur: evidence using GMM estimation and random coefficient panel data models
【年份(必填)】2003
【全文链接或数据库名称(选填)】
http://journals.cambridge.org/ac ... line&aid=176447
【作者(必填)】JUDITH A. CLARKE and SADAF MIRZA
【文题(必填)】A comparison of some common methods for detecting. Granger noncausality
【年份(必填)】2006
【全文链接或数据库名称(选填)】
http://www.google.com.hk/url?q=h ... tve6_FDsFrX09Nw-ZvQ