Paretian
/paˈreɪʃn/ /paˈriːʃn/Economics and Sociology
adjective
Of, relating to, or characteristic of Pareto, his methods, or his theories.
noun
A follower of Pareto; an adherent of his theories or methods.
Origin
Early 20th century; earliest use found in The Economic Journal. From the name of Vilfredo Pareto + -ian.