| Variables | T statistic | 1% Critical value | 5% Critical value | 10% Critical value |
| GZLNGDP 2nd order difference | −3.505393 | −4.004425 | −3.098896 | −2.690439 |
| GZLNEIT 2nd order difference | −6.146516 | −4.200056 | −3.175352 | −2.728985 |
| GZLNEDT 2nd order difference | −5.247540 | −4.057910 | −3.119910 | −2.701103 |
| SZLNGDP 1st order difference | −4.178483 | −4.121990 | −3.144920 | −2.713751 |
| SZLNEIT 1st order difference | −5.038717 | −4.057910 | −3.119910 | −2.701103 |
| SZLNEDT 1st order difference | −5.872013 | −4.057910 | −3.119910 | −2.701103 |
| ZHLNGDP 2nd order difference | −4.517788 | −4.057910 | −3.119910 | −2.701103 |
| ZHLNEIT 2nd order difference | −4.225740 | −4.121990 | −3.144920 | −2.713751 |
| ZHLNEDT 2nd order difference | −4.061596 | −4.121990 | −3.144920 | −2.713751 |