| 变量 | 观测值 | 平均值 | 标准误 | 最小值 | 最大值 |
| lnim | 1320 | 10.40038 | 2.09289 | 3.218876 | 13.38935 |
| lmex | 1320 | 10.30987 | 3.559983 | 0 | 15.94557 |
| lntexch | 1320 | 3.288635 | 3.740021 | −1.812431 | 8.23567 |
| lnnexch | 1320 | 3.25777 | 3.682752 | −1.670465 | 8.180255 |
| pol | 1320 | −0.1544578 | 0.7741755 | −1.740814 | 1.635793 |
| lnbgdp | 1320 | 25.49419 | 1.499448 | 22.68783 | 27.74355 |
| lncgdp | 1320 | 29.92325 | 0.6894932 | 23.28285 | 30.31803 |
| catw | 1320 | 0.25 | 0.4331768 | 0 | 1 |
| ill | 1320 | 0.0909091 | 0.2875887 | 0 | 1 |