
92 Supply Chain Management and Logistics
To provide a formal description of the model, it is necessary to provide
an overview of the notation used to describe various parameters associated
with the problem. The relevant parameters include the following:
• S is the set of all scenarios.
• N is the set of all stores.
• L is the set of all commodities.
• w
s
is the weight of scenario s ∈ S. This would typically be viewed as
the probability of the event occurring; however, for our purposes,
this weight reects the fact that we care about multiple types of haz-
ards. A scenario for a type of hazard would have a probability, and
the importance of th ...