
-----------------------------------------------------------------------------------
                                    SepalLength            SepalWidth   SepalLength
                          ------------------------------   ----------   -----------
                               (1)        (2)        (3)          (4)           (5)
-----------------------------------------------------------------------------------
(Intercept)               6.526***                                                 
                           (0.479)                                                 
SepalWidth                  -0.223   0.432***   0.506***                   0.729***
                           (0.155)    (0.081)    (0.103)                    (0.152)
PetalLength                          0.776***   0.830***      1.048**              
                                      (0.064)    (0.069)      (0.362)              
PetalWidth                                       -0.312*                           
                                                 (0.154)                           
SepalLength                                                    -0.313              
                                                              (0.239)              
-----------------------------------------------------------------------------------
SpeciesDummy                              Yes        Yes          Yes              
isSmall                                              Yes                        Yes
SpeciesDummy * isWide                                                           Yes
-----------------------------------------------------------------------------------
Estimator                      OLS        OLS        OLS           IV           OLS
-----------------------------------------------------------------------------------
N                              150        150        150          150           149
R2                           0.014      0.863      0.867        0.080         0.726
Adjusted R2                  0.007      0.860      0.861        0.055         0.713
Within-R2                               0.642      0.595       -0.535         0.140
F                            2.074    129.736     69.567       17.468        22.872
F-test p value               0.152      0.000      0.000        0.000         0.000
First-stage F statistic                                        19.962              
First-stage p value                                             0.000              
Degrees of Freedom             147        145        142          145           141
-----------------------------------------------------------------------------------

