|   Explanatory variables  |       Model (1)  |       Model (1)  |       Model (1)  |       Model (1)  |       Model (1)  |       Model (1)  |    
|   VAdist  |       −0.489*** (0.134)  |       
  |       
  |       
  |       
  |       
  |    
|   PSdist  |       
  |       −0.400*** (0.138)  |       
  |       
  |       
  |       
  |    
|   Gedist  |       
  |       
  |       −0.603*** (0.175)  |       
  |       
  |       
 
  |    
|   RQdist  |       
  |       
  |       
  |       −0.778*** (0.158)  |       
  |       
  |    
|   RLdist  |       
  |       
  |       
  |       
  |       −0.620*** (0.153)  |       
  |    
|   CRdist  |       
  |       
  |       
  |       
  |       
  |       −0.642*** (0.132)  |    
|   Experienced  |       0.675*** (0.205)  |       0.729*** (0.202)  |       0.691*** (0.203)  |       0.668*** (0.203)  |       0.662*** (0.205)  |       0.662*** (0.206)  |    
|   lngdp  |       0.081 (0.067)  |       0.084 (0.069)  |       0.090 (0.072)  |       0.103 (0.073)  |       0.123* (0.071)  |       0.098 (0.071)  |    
|   Trade  |       0.004* (0.002)  |       0.006*** (0.002)  |       0.007*** (0.002)  |       0.007*** (0.002)  |       0.007*** (0.002)  |       0.007*** (0.002)  |    
|   Raw  |       −0.003 (0.003)  |       0.001 (0.003)  |       0.002 (0.003)  |       0.002 (0.003)  |       0.001 (0.003)  |       0.001 (0.003)  |    
|   Inter  |       0.016*** (0.006)  |       0.010* (0.005)  |       0.013** (0.006)  |       0.019*** (0.006)  |       0.018*** (0.006)  |       0.020*** (0.006)  |    
|   Tech  |       −0.017* (0.009)  |       −0.020** (0.009)  |       −0.020** (0.010)  |       −0.020** (0.010)  |       −0.021** (0.010)  |       −0.021** (0.009)  |    
|   Ruralp  |       0.022*** (0.008)  |       0.024*** (0.008)  |       0.026*** (0.008)  |       0.022*** (0.009)  |       0.023*** (0.008)  |       0.023*** (0.008)  |    
|   lnrate  |       −0.007 (0.044)  |       −0.015 (0.044)  |       0.000 (0.044)  |       −0.016 (0.041)  |       −0.022 (0.042)  |       −0.019 (0.043)  |    
|   lndist  |       0.149 (0.183)  |       −0.054 (0.191)  |       0.117 (0.190)  |       0.136 (0.197)  |       0.102 (0.190)  |       0.077 (0.191)  |    
|   Sector  |       −0.548*** (0.165)  |       −0.582*** (0.163)  |       −0.587*** (0.164)  |       −0.604*** (0.165)  |       −0.601*** (0.165)  |       −0.552*** (0.165)  |    
|   _cons  |       −1.868 (2.917)  |       −0.728 (2.999)  |       −2.518 (3.059)  |       −2.900 (3.150)  |       −3.194 (3.054)  |       −2.399 (3.069)  |    
|   N  |       2352  |       2352  |       2352  |       2352  |       2352  |       2352  |    
|   Wald χ2  |       55.41***  |       45.20***  |       46.30***  |       57.77***  |       54.91***  |       62.00***  |    
|   Loglikely-hood  |       −629.931  |       −633.921  |       −631.179  |       −626.243  |       −629.606  |       −626.941  |    
|   LR χ2  |       65.30***  |       57.32***  |       62.80***  |       72.67***  |       65.95***  |       71.27***  |