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Table 1 Notations

From: Pricing Decision in a Two-Echelon Supply Chain with Competing Retailers Under Uncertain Environment

\(\tilde {c}:\) Unit manufacturing cost, an uncertain variable
\(\tilde {s}_{i}:\) Unit sales cost of retailer i, an uncertain variable
w i : Unit wholesale price to retailer i, the manufacturer’s decision variable
r i : Unit markup price of retailer i, the retailer’s decision variable
p i : Unit retail price of retailer i, where p i =w i +r i
\(\tilde {d}_{i}:\) The market base of retailer i, an uncertain variable
π m : The profit of the manufacturer: \(\pi _{m}=\sum _{i=1}^{2}(w_{i}-\tilde {c})(\tilde {d}_{i}-\tilde {\beta } p_{i}+\tilde {\gamma } p_{3-i})\)
\(\pi _{r_{i}}\): The profit of retailer i: \(\pi _{r_{i}}=(r_{i}-\tilde {s}_{i})(\tilde {d}_{i}-\tilde {\beta } p_{i}+\tilde {\gamma } p_{3-i})\)