Log(TR)

(1)

(2)

(3)

(4)

Drop

0.015

(0.037)

Drop (−1)

−0.224***

−0.205***

−0.154***

(0.033)

(0.033)

(0.020)

Drop (−1)・CP

−0.002*

(0.001)

Drop (−1)・CP (−1)

−0.005***

(0.001)

Annual fixed effect

Control

Control

Control

Control

Quarterly fixed effect

Control

Control

Control

Control

Individual fixed effect

Control

Control

Control

Control

Constant term

6.627***

6.662***

6.665***

6.642***

(0.141)

(0.154)

(0.155)

(0.157)

Observations

186

180

180

180

R2

0.543

0.521

0.522

0.525