\(a\):	A typical link
\(p\):	A typical path
\(w\):	A typical demand market
\(n_M\):	Possible production locations
\(n_D\):	Distribution centers for storage
\(J\):	Number of demand markets
\(W\):	Set of demand markets
\(\rho_w\):	Price at a demand market \(w\)
\(\rho\):	A vector of prices
\(\hat c_a\):	Total cost on link \(a\)
\(\hat c\):	A vector of total costs
\(\alpha_a\):	A positive productivity factor of link \(a\) reflecting how much an hour of labor will yield in terms of product flow on that link
\(\alpha\):	A vector of link productivity factors
\(\bar l\):	Bound on labor, which will be a vector if the constraints are on individual links [@126302; @126303]
\(\pi_a\):	Wage on link \(a\)
\(\pi\):	A vector of wages that are paid for an hour of labor on a link