“价格战”现象的成因和效应研究

Analysis of the Cause and Outcome of “Price War”Phenomenon

运用"囚徒困境"模型分析了"价格战"现象的无休止进行的成因,同时利用改进后的Bertrand模型从数量、价格、利润方面深入讨论了此现象对厂商和消费者福利的影响;最后结合微观经济学和政治经济学的竞争理论为政府与厂商提供了相关建议;为了使商品市场健康可持续发展,政府应该控制"参战"厂家数量,同时企业应该树立自己的品牌。

Through the model of prisoner＇ s dilemma, we conduct the corresponding analysis of the cause of the endless price war phenomenon . In terms of output, price and profit, the impact of this phenomenon on the welfare of both companies and customers is deeply discussed using the improved Bertrand gambling model. From these conclusions and the competition theory in both microeconomics and political economy, we offer some suggestions for governments and companies. In order to ensure the healthy and sustainable development of commodity market, governments should control the numbers of companies in＂ price war＂ and meanwhile companies themselves should build their own brands