Research Article

Panel Unit Root Tests by Combining Dependent 𝑃 Values: A Comparative Study

Table 4

Size and power of panel unit root tests: intercept only, spatial dependence.

Spatial autoregressiveSpatial moving average
NTP S P S

20200.1210.0590.0400.0460.0790.0500.0510.034
500.1260.0630.0440.0480.0860.0540.0500.039
1000.1330.0660.0440.0490.0910.0600.0470.043
50200.1400.0540.0400.0380.0810.0300.0420.020
500.1420.0630.0580.0420.0890.0380.0570.024
1000.1230.0520.0510.0380.0890.0390.0420.025
100200.1430.0460.0530.0210.0950.0260.0550.010
500.1520.0460.0510.0220.0920.0270.0600.013
1000.1360.0470.0490.0230.0890.0230.0520.012

20200.1440.0680.0490.0480.0890.0600.0500.040
500.1670.0890.0570.0580.1280.0730.0630.055
1000.2440.1350.1040.1190.1960.1350.1130.105
50200.1600.0710.0530.0390.0950.0430.0520.023
500.1980.0920.0570.0560.1590.0750.0690.038
1000.3530.1890.1240.1580.3200.1660.1330.129
100200.1610.0480.0520.0240.1130.0320.0500.011
500.2640.0970.0580.0380.2030.0640.0650.018
1000.4790.2310.1210.1710.4990.2170.1410.148

20200.1990.0950.0560.0640.1550.0820.0530.048
500.4140.2170.0980.1410.4250.2390.0990.132
1000.8570.6260.3180.5050.9030.7450.3550.585
50200.2720.0980.0520.0540.2240.0850.0590.033
500.6690.3080.1180.1660.7100.3690.1070.163
1000.9890.8550.3800.7320.9990.9380.4020.833
100200.3560.1010.0680.0370.2890.0760.0550.019
500.8480.3830.1090.1660.9290.4460.1170.159
1001.0000.9670.4180.8881.0000.9870.4600.955

20200.2810.1170.0720.0670.2220.0900.0550.049
500.6870.2640.1410.1630.7520.2970.1520.161
1000.9920.7540.4820.5781.0000.8500.5580.652
50200.4070.1160.0670.0570.3790.1020.0670.037
500.9340.2760.1450.1470.9800.2790.1400.131
1001.0000.9040.5790.7371.0000.9580.6180.792
100200.5380.1080.0650.0310.5410.0920.0670.027
500.9960.2950.1450.1461.0000.2470.1440.100
1001.0000.9840.6610.8461.0000.9970.6750.901

Note. See Table 1.