变量

IPS

Fisher-ADF

Fisher-PP

lnDR

−0.5785

89.0274^**

120.759^***

lnPGDP

2.0448

31.5006

67.7363

lnRC

0.8061

45.6160

69.6469

lnTAP

0.7266

45.6078

80.7928^*

lnINF

0.5218

47.8021

60.2115

lnLR

0.445

54.3843

88.0321

一阶差分变量

IPS

Fisher-ADF

Fisher-PP

ΔlnDR

−3.6469^***

96.376^***

114.562^***

ΔlnPGDP

0.8920

92.0637^**

90.9185^**

ΔlnRC

−2.8202^***

161.466^***

183.317^***

ΔlnTAP

−2.9596^***

110.702^***

113.298^***

ΔlnINF

−2.7083^***

101.943^***

125.854^***

ΔlnLR

−4.7336^***

221.97^***

250.538^***