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 _    _      ___      ______    _____    _    _   
| |  | ||   / _ \\   /_   _//  |  ___|| | \  / || 
| |/\| ||  | / \ ||    | ||    | ||__   |  \/  || 
|  /\  ||  | \_/ ||   _| ||    | ||__   | .  . || 
|_// \_||   \___//   /__//     |_____|| |_|\/|_|| 
`-`   `-`   `---`    `--`      `-----`  `-`  `-`

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Text this: Dependence structure between world crude oil prices: Evidence from NYMEX, ICE, and DME markets