Answer:
administered
Explanation:
An administered vertical marketing system is a system in which the process of taking the product from the manufacturer to the user is managed by one party because it has power and a big size that allows it to control the activities in an informal way. According to this, the answer is that it is possible that a(n) administered vertical marketing system can be more formally structured through strategic alliances and partnership agreements among channel members that agree to work in mutual cooperation because this is a system in which a big company is able to control the whole process in an informal way but this can be formalized by making agreements between the parties involved.
