国际油价冲击、中国原油进口“低弹性之谜”与双维非对称动态
刘宗明, 吴正倩

Oil price shocks, the puzzling price elasticity of Chinese oil imports and double-dimensional asymmetric effects
Zongming LIU, Zhengqian WU
表2 油价波动率、原油进口增长率及国内生产总值增长率的单位根检验结果
Table 2 Unit root test results of the growth rate of Brent oil price, the growth rate of oil import and the growth rate of output
变量 检验形式 ADF检验 PP检验 KPSS检验 结论
dlnb (C, 0) -6.709*** -6.607*** 0.224 平稳
dlnq (C, 0) -13.200*** -13.200*** 0.242 平稳
dlny (C, 0) -4.825*** -4.783*** 0.162 平稳