|   
  |       Before the issuing of open-ended funds  |       After the release of the open-ended funds  |    ||||
|   Full sample A  |       Sub-sample A 1  |       Sub-sample A 2  |       Full- sample B  |       Sub-sample B 1  |       Sub-sample B 2  |    |
|   
  |       1.27E−05  |       1.90E−05  |       3.70E−06  |       3.49E−06  |       7.28E−06  |       0.000286  |    
|   
  |       0.190394  |       0.11883  |       0.11273  |       0.063274  |       0.075573  |       0.005894  |    
|   
  |       0.782912  |       0.790761  |       0.850928  |       0.925648  |       0.902347  |       0.641315  |    
|   
  |       0.973306  |       0.909591  |       0.963658  |       0.988922  |       0.97792  |       0.647209  |