RDP 8703: Money Demand, Own Interest Rates and Deregulation
Appendix B: Test Results
Adrian Blundell-Wignall and Susan Thorp
May 1987
Chow Test for Structural Break
Equation
Break Point
Degrees of Freedom
Statistic
M1
(a)
1976Q1
(7,35)
3.35**
198501
(5,37)
2.78*
M3
(a)
1983Q1
(7,24)
4.25**
1985Q1
(5,26)
4.89**
BM
(a)
1979Q1
(7,25)
1.81
1985Q1
(5,26)
2.93*
Note (a) Break at observation indicated by plot of Quandt's
log-likelihood ratio
** Indicates rejection of the null at the 1% level
* Indicates rejection of the null at the 5% level
Breusch-Pagan Test for Heteroskedasticity
~ χ2 k−1
Equation
Degrees of Freedom
Statistic
M1
6
9.64
M3
6
15.37*
BM
6
14.14*
Brown Durbin and Evans' Homogeneity Test
Equation
Sample Size (n)
Degrees of Freedom
Statistic
M1
15
(14,28)
0.44
16
(14,28)
0.23
17
(7,35)
2.28
18
(7,35)
2.21
19
(7,35)
1.99
20
(7,35)
1.71
21
(7,35)
1.53
22
(7,35)
1.09
23
(7,35)
0.98
24
(7,35)
0.65
M3
10
(19,17)
0.74
11
(14,17)
0.68
12
(14,17)
0.50
13
(7,24)
2.75*
14
(7,4)
2.42
15
(7,24)
2.26
16
(7,24)
1.73
17
(7,24)
1.65
18
(7,24)
1.31
19
(7,24)
1.02
BM
10
(14,17)
0.68
11
(14,17)
0.47
12
(14,17)
0.28
13
(7,24)
2.51*
14
(7,24)
2.58*
15
(7,24)
2.29*
16
(7,24)
1.68
17
(7,24)
1.48
18
(7,24)
1.06
19
(7,24)
0.58