首页|专有关系投资、议价力与企业违约风险——基于收益流结构化分析法的研究

专有关系投资、议价力与企业违约风险——基于收益流结构化分析法的研究

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本文聚焦一个上、下游均包括多个生产型企业的供应链,探究了上游企业专有关系投资决策对其违约风险的影响。通过对上游企业生产决策和下游客户需求决策进行建模推演,对上游企业专有关系投资和收益流变化进行结构化分析,提出了基于收益流的违约风险测度方法。在不同市场环境和竞争环境下,围绕专有关系投资决策及双方议价力变化对上游企业违约风险的影响展开数值模拟分析,研究结果显示:不同价格水平下,上游企业的专有关系投资总能改善其收益和降低违约风险;随着上游企业产出品替代弹性增加,其议价力下降,专有关系投资对企业收益改善作用随之减弱,但仍能显著降低企业违约风险;若产出品替代率较低,竞争企业数量上升会增强企业议价力,专有关系投资因而能显著提升企业收益、降低违约风险;若产出品替代率较高,竞争企业数量增加会削弱企业议价力,专有关系投资对企业收益的改善作用逐渐消失,但仍有助于降低违约风险。此外,上游企业间的竞争水平还能引起客户议价力的变化,进而影响上游企业盈利水平和违约风险。
Relationship Specific Investment,Bargaining Power and Firm Default Risk:A Study Based on Structural Analysis of Profit Flows
A supply chain is typically characterized by mutual benefit and risk sharing based on member coordina-tion and the integration of material flow,fund flow,and information flow.Engaging in supply chain cooperation may have an impact on firms in both positive and negative ways.Many empirical studies explore the effects of various supply chain characteristics on a firm's default risk;however,few of them have investigated the relationship between relationship-specific investment(RSI),bargaining power,and a firm's default risk.RSI could intensify the supply-chain relationship,decrease production and operation costs,and increase the profit of the whole chain.Nevertheless,bargaining power determines which party takes more profits and which party takes more risks.Firms with little bargaining power only get a small share,but even so,they must commit to RSI.In this circumstance,they will suffer a high lock-in risk of RSI and face more uncertainties in cash flow management.Accordingly,their profit margin may fall over time,capital turnover may slow down,and default risk may increase to a relatively higher level.It focuses on a supply chain with N upstream firms and M downstream customers and a structural framework is built to study the impact of a supplier firm's RSI on its debt default risk.It first models the supply decision of upstream firms,the demand decision of downstream customers,and a supplier firms'optimal RSI decision.It also defines an upstream firm's bargaining power as its capacity to get the RSI-induced surplus,and a customer's bargaining power as its capacity to force upstream firms to reduce the basic price.Then,it estimates a supplier firm's equilibrium profit and develops a profit-flow-based structural approach to quantify its debt default risk.Finally,it makes numerical simulations in different market environments and alternative competitive scenarios and evaluates the influence of a supplier firm's optimal RSI and the bargaining powers of both parties on its profit flow and debt default risk.The result shows a supplier firm's optimal RSI always helps increase its profit and decrease its default risk at all price levels.With an increase in substitutability between suppliers,a supplier firm's bargaining power decreases.Its RSI plays a limited role in increasing profit;nevertheless,it still leads to an obvious decrease in its default risk.In addition,a supplier firm's bargaining power increases with the number of competing suppliers when substitutability between them is low.Thus,its RSI could help to increase the profit considerably and decrease the default risk significantly.However,a supplier firm's bargaining power decreases with the number of competing suppliers when substitutability between them is high.In this case,the RSI could not improve its profit significantly,but it still helps to reduce its default risk.Furthermore,a customer's bargaining power also changes with the substitutability between suppliers,which then affects a supplier firm's profit flow and debt default risk.It contributes to the existing literature by investigating how a supplier firm's RSI decision and the bargaining pow-ers of players in a supply chain influence its default risk in alternative competitive scenarios.It is also theoreti-cally valuable in developing a new structural approach to default risk based on the profit flows and coordination mechanisms of the supply chain.It extends the traditional structural models of default risk that only focus on the change in a firm's asset value.It is expected that this structural approach will be used to quantitatively evaluate the impacts of other important supply chain characteristics,such as supplier/customer concentration and trade credit,on firms'default risk.

relationship specific investmentbargaining powersupply chainstructural analysisdefault risk

黄苒、胡丽琴、李梦圆

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华中师范大学经济与工商管理学院,湖北 武汉 430079

专有关系投资 议价力 供应链 结构化分析 违约风险

国家自然科学基金面上项目教育部人文社会科学规划基金项目

7217110018YJA790037

2024

中国管理科学
中国优选法统筹法与经济数学研究会 中科院科技政策与管理科学研究所

中国管理科学

CSTPCDCSSCICHSSCD北大核心
影响因子:1.938
ISSN:1003-207X
年,卷(期):2024.32(9)