Amongtlmeni, the test forweak-form efficiency includes unit root test, first-order serialcorrelation test,second-order serial correlation test, BDS test, RIS analysis andhurst index test.

• 其中，弱式有效性的实证分析包括：单位根检验、序列一阶相关性检验、序列二阶相关性检验、BDS检验、R/S分析和hurst指数检验等内容；