新能源汽车“双积分”政策影响的阶段性特征——经营与环境双重绩效视角
李旭, 熊勇清

Characteristics of the impact of corporate average fuel consumption-new energy vehicle credits (CAFC-NEV) mandate on the new energy vehicle industry: From the perspective of business and environmental performances
LI Xu, XIONG Yongqing
表1 面板单位根检验结果
Table 1 Unit root test results of panel data
检验方法 MP TP EP CNM 属性判断
ADF检验 -2.65** -0.79* -3.13*** -2.23** 平稳(1st-d,none)
LLC检验 -7.75*** -9.79*** -9.99*** -8.97***