Table 5. Analysis results of cargo volume between South Korea and China/Japan

Air cargo volume
Variable OLS FE
ln_gdp (+)** (-)*
ln_pergdp (-)** (+)*
ln_kgdp (-)** (-)***
ln_kpergdp (+)** (+)***
ln_exchanges (+)*** (+)
ln_oil (+)* (+)
Note: are significant results at 10%, 5%, 1% significance level, respectively.