变量	business (8)	lnproperty (9)
index	0.0007^***	0.0058^***
index	(0.0002)	(0.0018)
business		0.5975^***
business		(0.2249)
Constant	−0.3439^***	−4.0661^***
Constant	(0.0572)	(0.6694)
Observations	3901	3901