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                                     SepalWidth       My dependent variable: SepalLength   
                                     ----------   -----------------------------------------
                                            (1)        (2)        (3)        (4)        (5)
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My dependent variable: SepalLength       -0.313                                            
                                        (0.239)                                            
Length of Petal                         1.048**                                            
                                        (0.362)                                            
SepalWidth                                        0.729***     -0.223   0.399***    0.496**
                                                   (0.152)    (0.155)    (0.091)    (0.171)
Const.                                                       6.526***   3.457***   3.130***
                                                              (0.479)    (0.309)    (0.574)
Width of Petal                                                          0.972***    1.291**
                                                                         (0.052)    (0.474)
SepalWidth & Width of Petal                                                          -0.099
                                                                                    (0.147)
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Species                                     Yes                                            
isSmall Dummies                                        Yes                                 
Species & isWide                                       Yes                                 
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Estimator                                    IV        OLS        OLS        OLS        OLS
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N                                           150        150        150        150        150
R2                                        0.080      0.731      0.014      0.707      0.708
Adjusted R2                               0.055      0.716      0.007      0.703      0.702
Within-R2                                -0.535      0.140                                 
F                                        17.468     22.872                                 
F-test p value                            0.000      0.000                                 
First-stage F statistic                  19.962                                            
First-stage p value                       0.000                                            
Degrees of Freedom                          145        141        148        147        146
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