Table 5. Air transport import amount analysis

Variable fe re ht
ln_GDP -6.353***(0.840) 0.025(0.362) -4.721***(0.743)
ln_PERGDP 7.364***(0.790) 1.535***(0.365) 5.863***(0.703)
ln_KGDP 8.705***(2.723) 5.124*(2.804) 7.819***(2.706)
ln_KPERGDP -8.045***(2.992) -4.858(3.096) -7.256**(2.976)
ln_oilprice -0.093(0.063) -0.091(0.066) -0.092(0.063)
ln_exchanges -0.012(0.058) 0.006(0.058) -0.012(0.058)
ln_area (omitted) 0.190(0.248) 2.197***(0.848)
ln_airport (omitted) 1.109***(0.408) 4.445***(1.364)
_cons -57.598(45.012) -101.135**(46.529) -97.964**(45.212)
R2 0.5230.3580.192 0.4870.7150.631
Hausman p-value 0.000
obs 747 747 747
주1: fe는 고정효과모형, re는 확률효과모형, ht는 하우스만 테일러모형.
주2: *, **, *** 는 각각 10%, 5%, 1% 유의수준에서 유의미한 결과임.
주3: R2은 within, between, overall 순서임.
주4: p-value<0.01이면 H0 : cov(xi,t, ui = 0을 기각하여 고정효과모형이 일치추정량임.