Table 2: The estimation results of parameters in model (12) with .

L NL L NL L NL

−0.0049 −0.0737 0.0016 −0.0398 0.0211 0.0739
−0.6154 0.9826 0.1519 1.2096 −0.2533 −1.3900
−0.2157 −0.5897 −0.4193 0.4967 0.1194 −0.1148
0.4718 2.1016 0.1013 0.4569 −0.2878 −1.3118
−16.428 −2.6967 7.2346
4.6169 −18.219 4.3997
−16.030 −8.9561 10.080
4.6446 −4.8169 2.7619
1.2087 3.5948 −1.0387
−9.8971 3.6173 3.9917

SSR SSR SSR
0.4955 0.6803 0.5615 0.7399 0.4705 0.6918