Research on the Impact of Logistics Technology Progress on Employment Structure Based on DEA-Malmquist Method

Table 3

Unit root test results.

Variables	LLC	ADF-Fisher	PP-Fisher
Y1	−4.29407	132.633	159.769
ΔY1	−16.7506	260.739	381.058
Y2	−17.5232	156.507	128.048
ΔY2	−24.5752	282.135	348.022
X1	−14.7307	227.555	280.123
ΔX1	−24.5421	341.662	529.502
X2	−3.38952	101.830	152.253
ΔX2	−5.38774	177.549	220.121
X3	−8.32027	153.784	205.803
ΔX3	−30.8146	272.010	306.273
X4	−2.64603	92.6991	110.325
ΔX4	−20.4947	268.751	379.493

Note., , and , respectively, indicate significant at the 10% level, significant at the 5% level, and significant at the 1% level.