[Retracted] Preorder of Factors Affecting Oil Prices: Fuzzy PROMETHEE Approach

Table 3

Linguistic variable “importance” and corresponding fuzzy numbers.

Weights of criteria	Triangular fuzzy scales
Unimportant	(0.00, 0.00, 0.25)
Little important	(0.00, 0.25, 0.50)
Moderately important	(0.25, 0.50, 0.75)
Important	(0.50, 0.75, 1.00)
Very important	(0.75, 1.00, 1.00)