Table 6. Air transport import amount analysis result

Variable fe re ht
ln_PERGDP 0.7605***(0.0686) 0.8105***(0.0598) 0.8070***(0.0614)
ln_KPERGDP 1.1805***(0.0763) 1.1131***(0.0694) 1.1223***(0.0705)
ln_distcap (omitted) −1.5568***(0.3144) −1.5592***(0.3682)
ln_area (omitted) 0.3071***(0.0680) 0.2963***(0.0792)
ln_airport (omitted) 1.5074***(0.1918) 1.5477***(0.2212)
locked (omitted) 0.2872(0.4213) 0.3500(0.4889)
OECD 0.7769***(0.2134) 1.1531***(0.1980) 1.0629***(0.2005)
APEC 0.0606(0.2141) 0.1280(0.2053) 0.1108(0.2064)
ASEAN+3 0.9816***(0.1829) 1.0164***(0.1811) 1.0047***(0.1806)
_cons −10.9430***(0.4295) −1.6248(2.8608) −1.5652(3.3473)
R2 0.32830.27750.3118 0.32770.66160.6118
hausman p-value 0.0000
obs 4657 4657 4657
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.