Table 5. Air transport export amount analysis with non-FTA countries
| Variable | fe | re | ols |
| ln_GDP | 1.0802*** (0.145) | 1.3193*** (0.072) | 1.4666*** (0.022) |
| ln_PERGDP | -0.3547** (0.152) | -0.4858*** (0.079) | -0.2927*** (0.026) |
| ln_KGDP | 13.5370*** (1.156) | 12.7457*** (1.118) | 11.9406*** (1.547) |
| ln_KPERGDP | -13.7562*** (1.264) | -13.0465*** (1.236) | -12.4658*** (1.716) |
| ln_area | (omitted) | -0.2449*** (0.055) | -0.2413*** (0.015) |
| ln_airport | (omitted) | 0.3941*** (0.150) | 0.0502 (0.041) |
| ln_oilprice | 0.0126 (0.025) | 0.0114 (0.025) | -0.0031 (0.036) |
| _cons | -252.4188*** (18.785) | -239.5634*** (18.531) | -227.8261*** (25.732) |
| R2 | 0.5480.7830.722 | 0.5470.8280.758 | 0.7704 |
| Hausman p-value | 0.001 | |
| obs | 3,827 | 3,827 | 3,827 |
주1: fe는 고정효과모형, re는 확률효과모형, ols는 다중회귀모형.
주2: 는 각각 10%, 5%, 1% 유의수준에서 유의미한 결과임.
주3: R2는 within, between, overall 순서임.
주4: p-value < 0.01이면 H0 : cov(xi,t, ui) = 0을 기각하여 고정효과모형이 일치추정량임.