Table 3

Finite sample relative rejection frequency of the LR statistic in Equation (2.16) under H0 (see Section 2)

DGPαE(Ist) TS=2S=8S=16S=32S=48S=96
A0.050.91250.0590.0590.0530.0550.0620.058
2500.0710.0440.0540.0520.0530.043
5000.0610.0400.0520.0680.0520.059
10000.0470.0390.0620.0660.0510.048
B0.050.91250.0320.0420.0340.0500.0570.058
2500.0420.0310.0430.0450.0440.065
5000.0430.0270.0350.0430.0300.058
10000.0210.0340.0290.0490.0480.061
C0.050.91250.0640.0940.1310.1920.2120.306
2500.0780.1080.1500.1980.2370.381
5000.0700.1270.1480.2360.2820.409
10000.0780.1030.1650.1910.2640.438
D0.050.91250.0570.0900.1380.2280.2770.486
2500.0540.1140.1260.2260.2760.496
5000.0700.0800.1380.2160.3020.443
10000.0530.0530.1530.2100.2930.450
DGPαE(Ist) TS=2S=8S=16S=32S=48S=96
A0.050.91250.0590.0590.0530.0550.0620.058
2500.0710.0440.0540.0520.0530.043
5000.0610.0400.0520.0680.0520.059
10000.0470.0390.0620.0660.0510.048
B0.050.91250.0320.0420.0340.0500.0570.058
2500.0420.0310.0430.0450.0440.065
5000.0430.0270.0350.0430.0300.058
10000.0210.0340.0290.0490.0480.061
C0.050.91250.0640.0940.1310.1920.2120.306
2500.0780.1080.1500.1980.2370.381
5000.0700.1270.1480.2360.2820.409
10000.0780.1030.1650.1910.2640.438
D0.050.91250.0570.0900.1380.2280.2770.486
2500.0540.1140.1260.2260.2760.496
5000.0700.0800.1380.2160.3020.443
10000.0530.0530.1530.2100.2930.450

H0:E(I1t)==E(ISt), where S is the number of intraday periods. α, the nominal significance level. T, no. of days. No. of replications = 300 or more in each experiment. All computations in R.

Table 3

Finite sample relative rejection frequency of the LR statistic in Equation (2.16) under H0 (see Section 2)

DGPαE(Ist) TS=2S=8S=16S=32S=48S=96
A0.050.91250.0590.0590.0530.0550.0620.058
2500.0710.0440.0540.0520.0530.043
5000.0610.0400.0520.0680.0520.059
10000.0470.0390.0620.0660.0510.048
B0.050.91250.0320.0420.0340.0500.0570.058
2500.0420.0310.0430.0450.0440.065
5000.0430.0270.0350.0430.0300.058
10000.0210.0340.0290.0490.0480.061
C0.050.91250.0640.0940.1310.1920.2120.306
2500.0780.1080.1500.1980.2370.381
5000.0700.1270.1480.2360.2820.409
10000.0780.1030.1650.1910.2640.438
D0.050.91250.0570.0900.1380.2280.2770.486
2500.0540.1140.1260.2260.2760.496
5000.0700.0800.1380.2160.3020.443
10000.0530.0530.1530.2100.2930.450
DGPαE(Ist) TS=2S=8S=16S=32S=48S=96
A0.050.91250.0590.0590.0530.0550.0620.058
2500.0710.0440.0540.0520.0530.043
5000.0610.0400.0520.0680.0520.059
10000.0470.0390.0620.0660.0510.048
B0.050.91250.0320.0420.0340.0500.0570.058
2500.0420.0310.0430.0450.0440.065
5000.0430.0270.0350.0430.0300.058
10000.0210.0340.0290.0490.0480.061
C0.050.91250.0640.0940.1310.1920.2120.306
2500.0780.1080.1500.1980.2370.381
5000.0700.1270.1480.2360.2820.409
10000.0780.1030.1650.1910.2640.438
D0.050.91250.0570.0900.1380.2280.2770.486
2500.0540.1140.1260.2260.2760.496
5000.0700.0800.1380.2160.3020.443
10000.0530.0530.1530.2100.2930.450

H0:E(I1t)==E(ISt), where S is the number of intraday periods. α, the nominal significance level. T, no. of days. No. of replications = 300 or more in each experiment. All computations in R.

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