VOL i , t

LNRD i , t 1

0.0158***

(4.35)

BM i , t 1

0.0474*

(2.48)

ROA i , t 1

−0.0599*

(−1.66)

TAT i , t 1

−0.0781

(−2.57)

LNASS i , t 1

−0.0373

(−2.43)

LEV i , t 1

0.0447

(1.08)

RET i , t 1

0.0220***

(3.64)

Constant

1.0665

Year

控制

Industry

控制

N

1748

Adj.R2

0.2204