Bertrand竞争下二级供应链信息共享的价值分析

The Value Analysis of Information Sharing in a Two-Stage Supply Chain with Bertrand Competition

针对由1个原材料供应商和2个生产制造商构成的供应链,探讨在制造商之间存在Bertrand竞争的情况下,系统中信息共享的价值问题。通过建立博弈模型,分析比较了在以下3种信息共享条件下供应商、制造商以及供应链的利润:1)2个制造商共享成本信息;2)一方共享、另一方不共享成本信息;3)两者都不共享成本信息。最后讨论了如何进行利益补偿以促进供应链成员之间的信息共享。

A two-stage supply chain composed of one upstream raw material supplier and two downstream manufacturers is considered.With Bertrand competition between the manufactures,a study is conducted to assess the value of information sharing in the system.A game theory model with Bertrand competition is presented for such a system.Based on the model,analysis is carried out in three cases：1） the two manufacturers share their cost information with others;2） one manufacture shares its cost information with the supplier,but the other does not;and 3） the two manufacturers do not share information.Results show that the profit of the overall supply chain increases as more information is shared.Based on the analysis,how information sharing can be facilitated by mutual benefit compensation is discussed.