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Table 5 
Results of Propensity Score Matching
TreatmentATTATTATTATT
(at least one EP)(at least 5 EPs)(at least one IEA)(at least five IEAs)
EPs (at least one) 35.32*** (9.71)       
EPs (at least five)   48.24*** (10.73)     
IEAs (at least one)     10.53 (10.91)   
IEAs (at least five)       −3.28 (10.09) 
Observations 2,792 2,792 2,792 2,792 
R-squared (goodness of fit in probit model/selection stage) 0.1105 0.1173 0.0498 0.0404 
Mean bias after matching (%) 4.7 4.4 7.5 3.2 
TreatmentATTATTATTATT
(at least one EP)(at least 5 EPs)(at least one IEA)(at least five IEAs)
EPs (at least one) 35.32*** (9.71)       
EPs (at least five)   48.24*** (10.73)     
IEAs (at least one)     10.53 (10.91)   
IEAs (at least five)       −3.28 (10.09) 
Observations 2,792 2,792 2,792 2,792 
R-squared (goodness of fit in probit model/selection stage) 0.1105 0.1173 0.0498 0.0404 
Mean bias after matching (%) 4.7 4.4 7.5 3.2 

Note. Standard errors (proposed by Abadie and Imbens 2006) are in parentheses.

***

p < 0.01.

**

p < 0.05.

*

p < 0.1.

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