(1)

(2)

(3)

(4)

(5)

−2

−1

0

1

2

_cons

0.0102^***

0.0108^***

0.00958^***

0.0185^***

0.00838^*

(6.03)

(4.36)

(3.54)

(6.16)

(2.31)

N

238

238

238

238

238