Table 3: The estimation results of parameters in model (12) with .

L NL L NL L NL −0.0048 −0.0714 0.0016 −0.0386 0.0204 0.0716 −0.5962 0.9521 0.1472 1.1721 −0.2454 −1.3468 −0.2090 −0.5714 −0.4063 0.4813 0.1157 −0.1113 0.4572 2.0364 0.0981 0.4427 −0.2789 −1.2711   −15.918   −2.6130   7.0099   4.4736   −17.653   4.2631   −15.532   −8.6779   9.7671   4.5004   −4.6673   2.6761   1.1712   3.4831   −1.0065   −9.5897   3.5050   3.8677 SSR SSR SSR 0.4955 0.6803 0.5615 0.7399 0.4705 0.6918