Model 1

Model 2

Model 3

b

(S.E.)

b

(S.E.)

b

(S.E.)

Misery Index

−0.53

(0.07)^***

−1.01

(0.13)^***

CSI

0.14

(0.02)^***

0.01

(0.02)

Divided

3.18

(0.44)^***

1.76

(0.36)^***

3.33

(0.49)^***

Lag of Approval

−0.15

(0.02)^***

−0.11

(0.02)^***

−0.17

(0.02)^***

Honeymoon

0.44

(0.55)

−0.33

(0.56)

−0.15

(0.66)

Vietnam War

−1.89

(0.45)^***

−2.02

(0.46)^***

−3.54

(0.53)^***

Constant

9.39

(1.32)^***

−9.23

(1.21)^***

14.82

(2.97)^***

Num. of Obs.

576

483

483

χ2

215.64

^***

216.39

^***

322.37

^***