Table 6. Air transport export weight analysis
| 항공운송 수출량 |
| Variable | fe | re | ht |
| ln_gdp | 0.288 (1.548) | 0.585*** (0.276) | 0.575*** (0.191) |
| ln_pergdp | 0.865 (1.647) | 0.431 (0.302) | 0.402* (0.210) |
| ln_kgdp | 29.764*** (6.651) | 29.977*** (6.112) | 30.204*** (6.092) |
| ln_kpergdp | -32.728*** (7.166) | -32.880*** (6.672) | -33.089*** (6.664) |
| ln_distcap | (omitted) | -0.397 (0.246) | -0.398** (0.167) |
| oecd | (omitted) | -1.535** (0.750) | -1.415** (0.554) |
| ln_area | (omitted) | 0.027 (0.253) | 0.029 (0.173) |
| lln_airport | (omitted) | -0.007 (0.422) | -0.031 (0.290) |
| ln_oilprice | -0.018 (0.260) | -0.011 (0.259) | -0.008 (0.260) |
| covid19 | -0.138 (0.335) | -0.132 (0.333) | -0.129 (0.335) |
| _cons | -497.047*** (105.228) | -502.269*** (102.238) | -505.943*** (45.505) |
| overall R2 | 0.234 | 0.400 | - |
| Hausman p-value | 0.943 | - |
| obs | 290 | 290 |
주1: fe는 고정효과모형, re는 확률효과모형, ht는 하우스만테일러 모형임.
주2: 는 각각 10%,
5%,
1% 유의수준에서 유의미한 결과임.
p-value<0.01이면 H0 : cov (xkt, uk) = 0을 기각하여 고정효과모형이 일치추정량임.