Why Are Institutions Valuable for Actors That Interact Frequently

Why are institutions valuable for actors that interact frequently?

A) Actors can avoid renegotiating rules by having permanent procedures.
B) Actors can force other members to comply with the institution's rules.
C) Institutions will change other actors' interests when members' interests are in conflict.
D) Institutions are the only way that actors can monitor other actors' actions.
E) Being members of an institution will give the actors an advantage over nonmembers.