短生命週期的商品因採購決策不易變更且具有一次訂購的性質，著眼於單期問題之報童模式乃成為該產品市場中，求解零售商最佳決策之方法，以最大化供應鏈整體之期望利潤；因此，近期已有諸多研究導入協商策略於報童模式中，針對各種研究議題探討上下游之最佳決策，但這些研究皆立足於上下游具有相同的市場需求資訊的環境中進行分析，而忽略零售商因較靠近於市場，應較供應商具有較佳市場需求資訊的特性；基於上述理由，供應鏈成員如何在具有資訊不對稱的環境下，考量各項機會成本與決策優勢，進行最大化期望利潤之決策分析乃成為本研究的核心。
承上所述，本研究建立一個具有單一供應商及單一零售商的二階層供應鏈，針對具有時效性且需求不確定的短生命週期產品，在只允許零售商單期訂貨，且剩餘的產品不得作為下一期產品供應的來源的環境下，建立資訊不對稱之報童模式，針對各自獨立之上下游，在考量本身利潤最大化的環境下，依序導入數量折扣、退貨和資訊共享，在不同決策模式下，分析上下游之最佳定價與訂購決策，並探討各種協商機制所帶來之績效提升。

Short-life-cycle products are characterized with hard-and-fast decision of pro-
curement, demand uncertainty, a short selling season and the long manufacturing lead
time. In light of maximizing the expected pro¯t of supply chain members, a newsboy
model is often used to resolve the retailer's decision problem. Nevertheless, previous studies assume symmetric market information between the retailer and the supplier.
Therefore, this thesis considers a two-stage supply chain with one supplier and
one retailer, focuses on short-life goods restricted to sell in the current selling season,
and forms a newsboy model with asymmetric market information. By means of ap-
plying the polices of quantity discount, return and information sharing, our objective
is to determine the optimal decisions of the supply chain members and maximize the
channel pro¯ts to achieve channel coordination.

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