Which of the following options contains the four criteria of a unique resource identified by Barney (1991) ?
Valuable, Extendable, Rare, Substitutable
Unsubstitutable, Valuable, Imperfectly Imitable, Rare
Extendable, Substitutable, Imperfectly Imitable, Valuable
Rare, Substitutable, Imperfectly Imitable, Valuable
Submit