Panel unit root tests
| Levin, Lin & Chu t* | ADF – Fisher Chi-square | Decision rule | |
|---|---|---|---|
| I(0) | I(0) | Decision rule | |
| ROA | −15.4650*** | 589.282*** | I(0) |
| TOBINQ | −23.3339** | 578.027** | I(0) |
| CO | −58.713*** | −434.847*** | I(0) |
| IND | −8.391*** | −232.844*** | I(0) |
| CS | −8.652*** | 362.790** | I(0) |
| RAW | −10.984*** | −395.501*** | I(0) |
| PCR | −5.215*** | −483.9936*** | I(0) |
| EVA | −7.929*** | −501.110*** | I(0) |
| MAS | −3.505*** | 443.733** | I(0) |
| GTAX | −14.574*** | −577.863*** | I(0) |
| Levin, Lin & Chu t* | ADF – Fisher Chi-square | Decision rule | |
|---|---|---|---|
| I(0) | I(0) | Decision rule | |
| ROA | −15.4650*** | 589.282*** | I(0) |
| TOBINQ | −23.3339** | 578.027** | I(0) |
| CO | −58.713*** | −434.847*** | I(0) |
| IND | −8.391*** | −232.844*** | I(0) |
| CS | −8.652*** | 362.790** | I(0) |
| RAW | −10.984*** | −395.501*** | I(0) |
| PCR | −5.215*** | −483.9936*** | I(0) |
| EVA | −7.929*** | −501.110*** | I(0) |
| MAS | −3.505*** | 443.733** | I(0) |
| GTAX | −14.574*** | −577.863*** | I(0) |
Note(s): I(0) is the unit root test at levels, I(1) is the unit root test stationary at first difference. ***p < 0.01, **p < 0.05 and *p < 0.1
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