To optimize the whole supply chain and attain the win-win goal, mutual optimal lot size models and the quantity discount pricing models were proposed under the cooperative game.

为使供应链得到优化、供需双方达到双赢的目的，提出了供需双方合作博弈条件下的最优批量及数量折扣定价模型。

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Ms Sturgeon said the quantity alcohol discount ban was a step in the right direction, but was designed to operate in tandem with minimum drink pricing, which the Scottish government now had the votes to pass.

BBC: First minister's questions