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.