A Driving Force Analysis and Forecast for Gas Consumption Demand in China

Table 7

JB test results.

Component	Skewness	Chi-sq	df	Prob.
1	−0.139030	0.097296	1	0.7551
2	−0.271715	0.367644	1	0.5443
3	0.068714	0.023836	1	0.8773
4	0.672789	2.104472	1	0.1469
Joint		2.593247	4	0.6280
Component	Kurtosis	Chi-sq	df	Prob.
1	2.609985	0.245432	1	0.6203
2	3.401941	2.504162	1	0.1135
3	2.281862	0.006698	1	0.9348
4	3.685034	1.250519	1	0.2635
Joint		4.006812	4	0.4051
Component	Jarque-Bera	df	Prob.
1	0.342728	2	0.8425
2	2.871806	2	0.2379
3	0.030534	2	0.9848
4	3.354991	2	0.1868
Joint	6.600059	8	0.5803