|   
  |       (1)  |       (2)  |       (3)  |    
|   变量  |       lncon  |       lncon  |       lncon  |    
|   difi  |       0.57267***  |       0.32558***  |       0.23256**  |    
|   
  |       (7.182)  |       (3.339)  |       (2.352)  |    
|   Govex1  |       0.00065  |       0.00047  |       0.00006  |    
|   
  |       (0.858)  |       (0.542)  |       (0.069)  |    
|   agdp  |       
  |       0.17075***  |       0.15803***  |    
|   
  |       
  |       (4.615)  |       (3.865)  |    
|   IS  |       
  |       
  |       2.49603***  |    
|   
  |       
  |       
  |       (3.527)  |    
|   Constant  |       13.46257***  |       13.35951***  |       12.57930***  |    
|   
  |       (132.910)  |       (93.571)  |       (51.567)  |    
|   样本量  |       176  |       176  |       176  |    
|   R-squared  |       0.811  |       0.857  |       0.882  |