Effect of Marginal Cost Change on Technological Innovation Based on Stackelberg Model

doi:10.12005/orms.2019.0290

Abstract

Abstract: Based on the game of retailer Stackelberg, using backward induction, the relationship between marginal cost rate of change and corporate profits after technological innovation is analyzed, and then the issue of how to choose technological innovation strategy according to the marginal cost rate of change is discussed. The three-stage game model is established from the perspective of marginal cost change caused by technological innovation. In the first stage of the game, enterprises judge the feasible range of the increase of marginal cost after technological innovation;The second stage is the decision-making of product distribution price after technological innovation; In Stage 3, retailers compete in the product market to determine production. The results show that when there are no capacity constraints, the enterprises are more willing to innovate at low cost. On the other hand, when the marginal cost increases at more than 30%, since high costs can not lead to more profit, enterprises would rather choose not to innovate.

Key words: marginal cost, technology innovation, profits, rate of change

摘要： 基于零售商Stackelberg博弈,采用逆序归纳法,分析了技术创新后边际成本变化率与企业利润的关系,从而探讨了企业如何根据边际成本变化率选择技术创新策略的问题。从技术创新导致产品边际成本变化角度出发,建立了三阶段博弈模型。博弈第1阶段是企业判断技术创新后边际成本增加的可行范围;第2阶段是企业技术创新后对产品分销价格的决策;第3阶段是零售商在产品市场上进行竞争决定产量。结果显示,没有任何产能约束时,企业更愿意选择低成本创新,当边际成本增加超过30%时,由于成本过高得不到更大利润,企业宁愿选择不创新。

关键词: 边际成本, 技术创新, 利润, 变化率

CLC Number:

F274

MA Yong-hong, LI Yan-rui. Effect of Marginal Cost Change on Technological Innovation Based on Stackelberg Model[J]. Operations Research and Management Science, 2019, 28(12): 194-199.

马永红, 李言睿. 基于Stackelberg模型下边际成本变化对技术创新的影响[J]. 运筹与管理, 2019, 28(12): 194-199.

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