供應鏈中一製造商及兩競爭零售商之廣告策略Advertising; strategies in one manufacturer and two competitive retailers supply chain

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题名:	供應鏈中一製造商及兩競爭零售商之廣告策略Advertising;strategies in one manufacturer and two competitive retailers supply chain
作者:	劉誠剛;Cheng-kang Liu
贡献者:	工業管理研究所
关键词:	雙頭壟斷寡占;價格競爭;廣告;advertising;price competition;duopoly
日期:	2010-06-22
上传时间:	2010-12-08 14:45:03 (UTC+8)
出版者:	國立中央大學
摘要:	中文摘要本篇研究在探討包含一製造商及兩競爭零售商之供應鏈的廣告策略及定價決策問題。假設製造商生產某一項產品藉由兩間互相競爭的零售商去販售，製造商會藉由品牌廣告以提升消費者的需求，而兩零售商亦會考量所面對的顧客群進行特定的廣告行為。消費者的需求除了受到零售商的零售價格影響之外，也受到製造商及兩零售商的廣告策略所影響；這兩間零售商會藉由廣告及定價策略相互競爭來極大化自己的利潤。我們提出了一個雙占模型，利用納許均衡 (Nash equilibrium) 來闡述兩零售商的競爭過程。假設製造商在供應鏈中擁有較大的主導權而兩零售商只能隨著製造商所給定批發價格及品牌廣告來訂定決策；換句話說，兩零售商的最佳定價及廣告策略會隨著製造商所給的批發價格與廣告而不同，因此製造商會考量預期的兩零售商的競爭結果來制定對自己最有利的批發價格及廣告量。我們以製造商為領導者(leader)角色,兩零售商為跟隨者(follower)角色來架構一個Stackelberg 模型以分析討論三方最佳的定價及廣告策略。最後我們針對模型中各個參數進行敏感度分析。Abstract In this study, we discuss the pricing decisions and two–tier advertising strategies between one manufacturer and two competitive retailers in a supply chain. We assume the manufacturer produces one product and sells the goods through two competitive retailers. The manufacturer use brand advertising to increase customer’s interest and to increase the overall demand as the result. Retailers also utilize local advertising campaign to attract customers. Customer’s demand depends on the retail prices and advertisements by the manufacturer and two retailers. Two retailers compete with each other by pricing strategies and advertising strategies to maximize their individuals’ profits. We propose a duopoly model and use Nash equilibrium to elaborate two competitive retailers’ competition process. We assume the manufacturer has bargain power in the supply chain, and two retailers make their decisions based on manufacturer’s wholesale price and brand advertising. In other words, retailers’ optimal decisions follow the manufacturer’s decision on wholesale price and brand advertising. The manufacturer expects retailers’ competition results to make his best decisions. We construct a Stackelberg model in which the manufacturer is a leader and two retailers are followers, and analyze three way optimal pricing strategies and advertising strategies. Furthermore, we study the sensitive analysis on the parameters.
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