Modeling the Grain Import Trade: A Cointegration Analysis of China’s Panel Data

Table 2

Statistical analysis results of the description variable.

Variable	Unit	Sample size	Mini	Maxi	Average	Standard deviation	Skewness	Kurtosis
WheatIM	Yuan/ton	64	2275	1365082	241195	258437	2.0794	6.5161
WheatDP	Yuan/ton	64	1949	3061	2355	478	−0.1724	−0.8566
WheatIP	Yuan/ton	64	1132	2480	1697	326	−0.3078	−0.7275
CornIM	ton	52	1048	787332	249051	268916	0.8132	−0.6949
CornDP	Yuan/ton	52	1653	2175	1980	154	−0.7388	−0.1437
CornIP	Yuan/ton	52	1176	2283	1694	362	−0.1317	−1.5815
RiceIM	ton	46	13725	517809	230186	89834	0.5163	−0.1628
RiceDP	Yuan/ton	46	3424	4028	3872	205	−1.3093	1.8862
RiceIP	Yuan/ton	46	2592	3874	3358	511	−0.4139	−1.4270
SoyIM	ton	112	713280	5389036	3890412	1387445	0.6508	−0.2733
SoyDP	Yuan/ton	112	3156	6407	4431	739	0.0542	−1.1373
SoyIP	Yuan/ton	112	1898	4322	2783	654	0.5890	−0.2724