This paper investigates some of the immediate impacts of the Deepwater Horizon oil spill of 2010 on the environment using graphical means. The exploration focuses on the effects of the oil discharge on wildlife, the chemical pollution in the area following the spill, and salinity levels in the...

Although the leverage effect, i.e. a negative correlation between the return and volatility, and the inverse leverage effect have been suggested for equities and commodities, respectively, the existing studies suffer from an identification problem because they only model one asset. By using a...