Panel A: Summary statistics Panel B: Unit root test results
Variables Mean Max. Min. S. Dev. Skewness Kurtosis J.B. Stat. Prob. Obs. ADF PP
INF 0.788 68.37 0 3.5661 10.1898 128.8507 6293584 0 9293 -5.717*** -42.75a***
Gasoline 2.08 3.571 0.4118 0.6153 0.2427 2.2172 136.7 0 3866 -63.593*** 63.592***
Heating Oil 2.174 4.106 0 0.6512 0.3118 2.3073 137.6 0 3803 -62.824*** -62.812***
Natural Gas 3.273 6.149 1.482 0.8819 0.3533 2.5995 81.5 0 2965 -58.732*** -58.765***
WTI 43.631 145.29 -37.63 28.7476 0.9224 2.7756 1337.3 0 9293 -72.308*** -98.193***