	(1)	(2)	(3)	(4)
	risk	risk	risk	risk
L.risk	0.899^***	0.898^***	0.892^***	0.904^***
L.risk	(0.0200)	(0.0199)	(0.0204)	(0.0192)
index	0.0561^***
index	(0.0115)
coverage		0.0634^***
coverage		(0.0120)
usage			0.0524^***
usage			(0.0101)
digitization				0.0119^*
digitization				(0.00669)
控制变量	控制	控制	控制	控制
_cons	−12.01^***	−11.93^***	−6.790^*	−12.43^***
_cons	(3.416)	(3.403)	(3.486)	(3.068)
N	1449	1449	1449	1449
AR(2)	0.625	0.632	0.699	0.357
Hansen检验	0.204	0.201	0.187	0.337