黄河流域数字经济发展与生态环境的协同演化及交互响应
王海荣, 王永峰, 付占辉

Coupling relationship and interactive response mechanism between digital economy development and ecological environment in the Yellow River Basin
Hairong Wang, Yongfeng Wang, Zhanhui Fu
表5 最优滞后阶数检验
Table 5 Test for optimal lag order
滞后期数AICBICHQIC
1-6.459-5.764*-6.183*
2-6.497-5.706-6.187
3-6.521*-5.628-6.166
4-6.413-5.396-6.014
5-6.369-5.207-6.009