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《Modern Economic Information》 2009-07
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印花税历次调整对上证A股综合指数的波动性影响的实证性分析

Based on a positive test method, the paper argues that the efficiency of the stamp duty on securities transaction is descending, by comparing the variances of return rations, so as to check if they are significant, before and after the stamp duty is adjusted.
【CateGory Index】: F812.42;F832.51
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