Table 7 Robustness tests results.
Sample reduction | GTFP One-period Lagging | |||||
|---|---|---|---|---|---|---|
GTFP (CER) | GTFP (MER) | GTFP (VER) | GTFP (CER) | GTFP (MER) | GTFP (VER) | |
RD < r1 | 0.0052 (0.98) | − 0.0436*** (− 4.40) | − 0.0095*** (− 3.72) | 0.0076 (1.46) | 0.0167 (1.50) | 0.0064 (2.20) |
r1 ≤ RD < r2 | 0.0089* (0.98) | − 0.0131 (− 1.34) | − 0.0064** (− 2.51) | 0.0016 (0.31) | − | 0.0035 (1.19) |
RD ≥ r2 | 0.0153*** (2.92) | 0.0394*** (2.47) | − 0.0020 (− 0.73) | − 0.0048 (− 0.88) | − 0.0324*** (− 2.85) | 0.0000 (0.00) |
DL | 0.0112*** (4.72) | 0.0101*** (4.21) | 0.0119*** (5.02) | 0.0061* (1.88) | 0.0055* (1.71) | 0.0059* (1.85) |
ROA | − 0.0045*** (− 4.80) | − 0.0045*** (− 4.79) | − 0.0045** (− 4.81) | 0.0008* (1.81) | 0.0008* (1.85) | 0.0008* (1.86) |
ROE | 0.0006 (1.44) | 0.0005 (1.38) | 0.0006 (1.46) | − 0.0000 (− 0.80) | − 0.0000 (− 0.90) | − 0.0000 (− 0.88) |
ROL | − 0.0003 (− 1.49) | − 0.0003 (− 1.28) | − 0.0003 (− 1.47) | 0.0000 (0.51) | − 0.0000** (− 2.38) | 0.0000 (0.53) |
Scale | − 0.0597*** (− 12.79) | − 0.0597*** (− 12.95) | − 0.0586*** (− 12.59) | − 0.0149** (− 2.18) | − 0.0163** (− 2.38) | − 0.0161** (− 2.34) |
cons | 1.9806*** (20.09) | 2.0466*** (20.90) | 2.0671*** (21.43) | 0.9827*** (6.44) | 1.0461*** (6.98) | 1.0124*** (6.87) |
R2 | 0.0428 | 0.0435 | 0.0439 | 0.0098 | 0.0081 | 0.0094 |
F | 42.16*** | 44.19*** | 45.48*** | 9.80*** | 8.16*** | 8.68*** |