Variable	Sample	Treated	Controls	Difference	S.E.	T-stat
State-owned enterprises	Unmatched	1.9871	1.4510	0.5361	0.0487	11.02***
State-owned enterprises	Matched	1.9796	1.8670	0.1126	0.0755	1.49
Non-state-owned enterprises	Unmatched	1.6907	1.4324	0.2583	0.0418	6.19***
Non-state-owned enterprises	Matched	1.6907	1.8885	−0.1978	0.0828	−2.39**