Whether the Air Transport is Going through the Difficulties: Evidence from Dynamic Changes in Brent Oil Prices

In 2020, the outbreak of COVID-19 caused a sharp drop in international crude oil prices. The Russian Ukrainian conflict 2022 has also had great impact on fluctuation So far as an important source energy, price is associated with entire financial market. Therefore, this paper try to find how air transport industry will going through dynamic changes its main energy——crude oil. Then data Brent and transportation index are selected from six months earlier before broke out, used for constructing VAR model ARMA-GARCH their logarithmic sequences. Through testing observing constructed Var model, yield volatility industry, so that can acquire initiative energy source.