变量

CAVG

CNP

CPP

参数值

t统计量

参数值

t统计量

参数值

t统计量

${\mu }_i$

0.0014

(0.001)

2.5626

0.0020

(0.000)

0.5340

0.0009

(0.001)

1.7600

−0.1130

(0.041)

−2.7426

0.0000

(0.000)

1.9560

0.0000

(0.000)

1.8934

${\alpha }_i$

0.4995

(0.091)

5.5172

0.0734

(0.019)

3.8808

0.0784

(0.022)

3.5433

${\beta }_i$

0.5005

(0.235)

2.1255

0.8961

(0.028)

31.9329

0.8941

(0.032)

28.0273

${\nu }_i$

2.8801

(0.176)

16.3541

5.0230

(0.773)

6.4986

5.8309

(1.001)

5.8267

LL

1970.5480

2636.3960

2357.0110

AIC

−3929.0967

−5262.7925

−4704.0228

BIC

−3900.3158

−5238.8084

−4680.0387