Table 5. Air transport export amount analysis result
| Variable | fe | re | ht |
| ln_PERGDP | 0.9380***(0.0503) | 0.9147***(0.0457) | 0.9186***(0.0460) |
| ln_KPERGDP | 1.3301***(0.0544) | 1.3465***(0.0509) | 1.3430***(0.0511) |
| ln_distcap | (omitted) | −1.4268***(0.2847) | −1.4338***(0.2977) |
| ln_area | (omitted) | 0.5211***(0.0608) | 0.5106***(0.0635) |
| ln_airport | (omitted) | 0.8946***(0.1729) | 0.9090***(0.1790) |
| locked | (omitted) | 0.0751(0.3825) | 0.0921(0.3961) |
| OECD | 0.3849**(0.1696) | 0.4573***(0.1594) | 0.4477***(0.1598) |
| APEC | 0.6888***(0.1688) | 0.6848***(0.1632) | 0.6858***(0.1633) |
| ASEAN+3 | 0.8031***(0.1450) | 0.8215***(0.1435) | 0.8191***(0.1434) |
| _cons | −12.6093***(0.3101) | −6.2789**(2.5889) | −6.1074**(2.7095) |
| R2 | 0.51690.19980.3029 | 0.51690.67500.6546 | |
| hausman p-value | 0.1039 | |
| obs | 5180 | 5180 | 5180 |
주1: fe는 고정효과모형, re는 확률효과모형, ht는 하우스만 테일러모형.
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.