Games with incomplete information: A simplified exposition with inventory management applications

In most existing literature in supply chain management it is assumed that the players possess complete information about the game, i.e., the players' payoff (objective) functions are assumed to be common knowledge. For static and dynamic games with complete information, the Nash equilibrium and subgame perfect equilibrium are the standard solution concepts, respectively. For static and dynamic games with incomplete information, the Bayesian Nash equilibrium and perfect Bayesian equilibrium, respectively, are used as solution concepts. After presenting a brief review of the static and dynamic games under complete information, the application of these two games in inventory management is illustrated by using a single-period stochastic inventory problem with two competing newsvendors. Next, we illustrate the Bayesian Nash and perfect Bayesian equilibrium solution concepts for the static and dynamic games under incomplete information with two competing newsvendors. The expository nature of our paper may help researchers in inventory/supply chain management gain easy access to the complicated notions related to the games played under incomplete information.     

Modeling agility of supply chain

Agility is the fundamental characteristic of a supply chain needed for survival in turbulent and volatile markets, which are becoming norms as product life cycles shorten and environmental forces create additional uncertainty resulting in higher risk in the supply chain management. Agility further helps in providing the right product, at the right time to the consumer, which is the main objective of any supply chain. In the present paper, using interpretive structural modeling, interrelationships of the variables, influencing supply chain agility, have been derived. These variables have been categorized according to their driving power and dependence. This methodology provides a means by which order can be imposed on the complexity of such variables. The insight from model would help supply chain managers in strategic planning for improving supply chain agility.     

Demand chain alignment competence — delivering value through product life cycle management

This paper endorses demand chain alignment as a competence that supports effective product life cycle (PLC) management. Demand chain alignment integrates the demand creation (historic domain of marketing) and demand fulfilment processes (domain of supply chain management), to develop and to deliver products that convey superior customer value while deploying resources efficiently. So far, the relationship between demand chain alignment and PLC management has only been addressed from an operations and demand/supply chain perspective, but not from a marketing perspective. Three research propositions, on the relationship between both concepts, are derived from a literature review and applied to a case study from a global player in the tobacco industry. The findings do not support the current view that the product life cycle is a market-oriented classification variable for demand chain strategies. Instead, demand chain alignment needs to link customer needs-based segments with the supply chain. Moreover, PLC management and demand chain alignment have a mutually reinforcing relationship, in which PLC management can facilitate the competence development, ensures a dynamic perspective and, at the same time, benefits from aligned demand creation and fulfilment processes. Based on the findings, a model integrating demand chain alignment and PLC management is proposed.     

Demand chain management-integrating marketing and supply chain management

This paper endorses demand chain management as a new business model aimed at creating value in today's marketplace, and combining the strengths of marketing and supply chain competencies. Demand chain design is based on a thorough market understanding and has to be managed in such a way as to effectively meet differing customer needs. Based on a literature review as well as the findings from a co-development workshop and focus group discussions with marketing and supply chain professionals, a conceptual foundation for demand chain management is proposed. Demand chain management involves (1) managing the integration between demand and supply processes; (2) managing the structure between the integrated processes and customer segments and (3) managing the working relationships between marketing and supply chain management. Propositions for the role of marketing within demand chain management and implications for further research in marketing are derived.     

工程供应链管理研究综述

供应链管理作为一个创新的管理模式从系统的角度为解决工程建设项目高分散性、超预算、返工、拖延工期、冲突等问题提供了新方法。文章在分析建筑工程项目特点的基础上,探讨了工程供应链和传统的制造供应链的差异;并参照一般供应链管理研究的分类方式对工程供应链研究内容进行分类;从工程供应链的战略思想、活动管理、关系管理和信息管理的角度进行文献的回顾和梳理;最后指出未来工程供应链的研究方向。     

Digitalization within food supply chains to prevent food waste. Drivers,barriers and collaboration practices

Food supply chains increasingly rely on big-data management solutions to foster collaboration across the food supply chain and improve business performance. However, little is known about collaboration practices that actors on the digital food supply chain adopt to solve problems such as food waste, or about the drivers and barriers related to the digital transformation of the food supply chain. Most of food waste studies rely on quantitative analysis, which cannot reveal relevant details about the tensions and dynamics of collaboration. We conducted a qualitative study drawing on eighteen in-depth interviews - of managers of large multinational and local organizations covering different and relevant roles on the digital food supply chain - to investigate how organizational and food supply chain processes are affected by the digitalization of the operations along the food supply chain. By triangulating emerging findings with literature on supply chain management we discuss different views about collaborative practices for food waste prevention in the food supply chain and provide insights on how supply chain design and firms' operations have been re-conceptualized with the usage of digital technologies and on the institutional forces both limiting (barriers) and fostering (drivers) the diffusion of the digital food supply chain.     

Passing through the supply chain: Implications for market power

In this paper, we study the connection between pass-through and market power in the Brazilian Liquefied Petroleum Gas (LPG) industry. We use a state tax shock and apply a difference-in-differences strategy to estimate pass-through – at different levels of the supply chain – and an instrumented difference-in-differences strategy to estimate demand, and then feed a theoretical model to make inferences about a conduct parameter – that measures market power. We find an incomplete pass-through at the distribution level and for the supply chain as a whole, and a more-than-complete one at the retail level. Furthermore, we estimate price-elasticity of demand to be greater than one. When we feed a theoretical model of pass-through under imperfect competition with these estimates, we obtain a high conduct parameter at the whole supply chain level and an even higher one at the retail level alone. These results show that considering only the whole supply chain pass-through may lead to hasty conclusions about market power. Besides contributing to the empirical literature that connects pass-through with market power, we contribute to on-going national discussions regarding competitiveness in the LPG industry.     

The role of power and trust in spreading sustainability initiatives across supply networks: A case study in the bio-chemical industry

This paper investigates how sustainability spreads across supply networks. Adopting an Industrial Marketing & Purchasing (IMP) Interaction Approach (Håkansson, 1982), we seek to understand sustainability spread as a change process that affects different supply network actors and the impact of power and trust on the spreading process. The paper reports on an in-depth case study of the development of a sustainability initiative in the bio-chemical industry, based on data collection with multiple supply network actors across several tiers, providing unique and rich insights into understanding sustainability spread in a supply network and the perceptions of multiple supply network actors on the role of power and trust on the spreading process. Data collection comprised 20 semi-structured interviews spanning eight supply network actors, supported by secondary data such as archival records. The case study indicates that both coercive and non-coercive power as well as trust, significantly impact the actors' engagement in sustainability initiatives and its wider spread in supply networks. The paper contributes to the literature on sustainable supply chain management and IMP research on sustainability spread and, in particular, provides insights on the impact of power and trust on the process of sustainability spread across dyadic relationships into the wider supply network.     

The relationship between legitimacy,reputation, sustainability and branding for companies and their supply chains

This paper aims at filling a gap that we perceive to exist in the scientific literature as to legitimacy, reputation and sustainability and their interrelationship to corporate and supply chain branding. A series of innovative theoretical frameworks are provided interrelating companies and their value (supply) chains with legitimacy, reputation, and branding which are essential conditions to achieve sustainability and competitive advantage based on dyadic and social context consonance to the benefit of society and all stakeholders involved. An urgently required better understanding of the concepts and their interrelations is enhanced by a synthesized explanatory basis entailing an eclectic mosaic of interdisciplinary theories (institutionalist, neo-institutionalist theories, the viable system approach, isomorphism and identity) to improve corporate and supply chain performance. To better inform managerial practice the theoretical considerations are spiced with case studies among which especially the currently debated supply chain case of the European horse meat scandal is illuminated suggesting concrete managerial cross-functional implications in the food industry. The paper culminates in the call for a newly to-be-established marketing stream we call ‘Sustainable and Curative Marketing’.     

Knowledge acquisition in supply chain partnerships: The role of power

Knowledge is recognised as an important source of competitive advantage and hence there has been increasing academic and practitioner interest in understanding and isolating the factors that contribute to effective knowledge transfer between supply chain actors. The literature identifies power as a salient contributor to the effective operation of a supply chain partnership. However, there is a paucity of empirical research examining how power among actors influences knowledge acquisition and in turn the performance of supply chain partners. The aim of this research is to address this gap by examining the relationship between power, knowledge acquisition and supply chain performance among the supply chain partners of a focal Chinese steel manufacturer. A structured survey was used to collect the necessary data. Two conceptually independent variables – ‘availability of alternatives’ and ‘restraint in the use of power’ – were used to assess actual and realised power, respectively. Controlling for contingencies, we found that the flow of knowledge increased when supply chain actors had limited alternatives and when the more powerful actor exercised restraint in the use of power. Moreover, we found a positive relationship between knowledge acquisition and supply chain performance. This paper enriches the literature by empirically extending our understanding of how power affects knowledge acquisition and performance.     

Reinventing the wheel? A critical view of demand-chain management

Demand–supply alignment as a means for value creation in the marketplace is not a new concept either in the marketing or supply chain management literature. Recent developments in demand chain management (DCM) revamp this issue, which is particularly critical for today's firms. DCM studies, however, remain isolated from wider academic debates and are unclear on the processes required for the demand–supply alignment inside the firm, incurring the risk of becoming irrelevant. Through a systematic literature review and qualitative content analysis, we leveraged the existing knowledge on interfaces between intra-firm departments to identify the dimensions of demand–supply alignment and map the drivers, enablers and consequences of implementing such an alignment. These outcomes, together with theoretical perspectives, are used to improve the idea of DCM, ground theoretical reflections on the concept and suggest avenues for research. This study should interest researchers and practitioners willing to adopt the DCM strategy.     

Setting operating policies for supply hubs

This paper deals with the joint management of operations at the supply hub for the customer and the upstream supplier. Different operating conditions are considered, namely, backordering, minimum and maximum specified inventory levels. Some analytical insights on better managing suppliers operating under a vendor managed inventory program are presented. Essentially, we show that the penalty cost imposed on over- and under-stocking, and the min–max policy for hub inventory reside in the power of the hub operator. The relationship between supply hub policy and performance measures is quite complex and non-linear in nature. We suggest a structured hierarchical approach which can help supply hub in achieving balance between various parties involved in chain. A numerical example and an algorithm are included to highlight this result.     

Does social capital matter for supply chain resilience? The role of absorptive capacity and marketing-supply chain management alignment

Marketing in an increasingly tumultuous marketplace requires resilience -the ability to withstand, adapt, and flourish despite turmoil and adverse change- that extends beyond firm boundaries. Although external resources are arguably essential to achieve resilience, little is known how and when firms' social capital derived from interorganizational relationships can lead to supply chain resilience. Therefore, we investigate the role of absorptive capacity and marketing-supply chain management alignment in realizing the potential impact of social capital on supply chain resilience. Using data obtained from dual respondents from 265 Turkish firms, we test the mediating role of absorptive capacity and the moderating role of marketing-supply chain management alignment. Our findings indicate absorptive capacity mediates the relationship between social capital and supply chain resilience, and the links between social capital and absorptive capacity and social capital and supply chain resilience are stronger when marketing-supply chain management alignment is high. We also find that supply chain resilience is positively associated with organizational performance, empirically supporting the proposed value of supply chain resilience for firm strategy. Accordingly, our paper highlights that both absorptive capacity and marketing-supply chain management alignment are necessary to realize the actual value of social capital for supply chain resilience and ensuing performance.     

Improving global spare parts distribution chain performance through part categorization: A case study

Spare parts inventory management is a complex problem and in most cases part categorization is needed to create a manageable number of control groups to focus management efforts more effectively. Usually multi-dimensional or multi-criteria classifications are used, and there are several examples of classification schemes available in the literature. The complexity increases even more when taking into consideration that a distribution chain consists of many parties. Thus, in addition to internal inventory control factors, external factors such as supplier performance, customer behavior and related demand patterns affect the controllability of the various parts.In the paper we try to expand existing classification schemes that cover only one part of the supply chain into a decision tool covering three sides of the chain: the company's distribution center with its internal processes, supplier with supply processes and customer with demand processes. The complexity that is created by the expanded view is reduced by considering two separate links: demand link and supply link. At first the links are analyzed separately considering the most relevant factors of each one and afterwards they are combined into a categorization matrix to classify the parts.The categorization scheme is tested in a large international company for improving its spare parts distribution chain performance. In the case company's demand link, part value and demand variability were used as the factors to create seven categories. In supply link, three categories are created by using availability risk of the material as the categorizing factor. The spare parts distribution chain performance is analyzed with service performance and stock-out cost key performance indicators before and after improvement actions. Finally, it is discussed how widely the insights from the case experience can be generalized towards developing a generic management tool for such a complex situation.     

An empirical analysis of supply chain risk management in the German automotive industry

The purpose of this paper is the empirical analysis of supply chain risk management practices. The analysis is based on a survey with 67 manufacturing plants conducted in the German automotive industry. After investigating the vulnerability of supply chains in general and examining key drivers of supply chain risks, the paper identifies supply chain risks by analyzing their likelihood to occur and their potential impact on the supply chain. The results are visualized in the probability-impact-matrix distinguishing between internal and external supply chain risks. Furthermore, instruments for dealing with supply chain risks are investigated. Therefore, the impact of supply chain risk management on performance is tested. In order to distinguish between companies with a high degree of supply chain risk management and those with no or only limited implementation the plants are grouped by means of a cluster analysis based on factors reflecting the instruments of supply chain risk management. In particular, groups are created representing two different approaches to deal with supply chain risks, i.e. reactive and preventive supply chain risk management. The clusters are investigated concerning differences in terms of performance criteria. The analyses reveal that companies with a high implementation degree show a better supply chain performance. Furthermore, the results show that the group using reactive supply chain risk management has higher average value in terms of disruptions resilience or the reduction of the bullwhip effect, whereas the group pursuing preventive supply chain risk management has better values concerning flexibility or safety stocks.     

PC行业的模块化与整合研究

本文研究了模块化对PC行业的影响,在此基础上分析模块化与垂直整合的关系,得出PC行业内模块化与垂直整合的变化规律。现今PC企业的竞争集中在供应链的竞争,本文认为PC供应链管理是建立在模块化基础上的供应链整合,延迟策略与全球物流模式体现了PC供应链整合的特点。PC行业的模块化与整合研究对其他行业也有重要参考价值。     

基于供应链管理的房地产开发企业合伙模式研究

基于供应链的思想，传统制造业中的各个企业被看作整个供应链中的某一环节，供应链管理使企业集中优势资源与精力创造特殊价值，提高自身竞争能力并带动相关企业发展。房地产开发企业作为自身行业中的“集成制造商”，应该充分借鉴供应链管理的思想，大力发展与相关合作对象的伙伴关系，基于其独特的供应链的内部集成，建立合适的合伙模式，以达到降低开发成本、提高项目品质、增强企业核心竞争力的目标。     

Efficient versus Responsive Supply Chain Choice: An Empirical Examination of Influential Factors

Contemporary strategies in operations management suggest that successful firms align supply chain assets with product demand characteristics in order to exploit the profit potential of product lines fully. However, observation suggests that supply chain assets often are longer lived than product line decisions. This suggests that alignment between supply chain assets and demand characteristics is most likely to occur at the time of initial market entry. This article examines the association between product demand characteristics and the initial investment in a supply chain at the time of market entry. We characterize supply chains as responsive or efficient. A responsive supply chain is distinguished by short production lead‐times, low set‐up costs, and small batch sizes that allow the responsive firm to adapt quickly to market demand, but often at a higher unit cost. An efficient supply chain is distinguished by longer production lead‐times, high set‐up costs, and larger batch sizes that allow the efficient firm to produce at a low unit cost, but often at the expense of market responsiveness. We hypothesize that a firm's choice of responsive supply chain will be associated with lower industry growth rates, higher contribution margins, higher product variety, and higher demand or technological uncertainty. We further hypothesize that interactions among these variables either can reinforce or can temper the main effects. We report that lower industry growth rates are associated with responsive market entry, but this effect is offset if growth occurs during periods of high variety and high demand uncertainty. We report that higher contribution margins are associated with responsive market entry and that this effect is more pronounced when occurring with periods of high variety. Finally, we report that responsive market entry also is correlated positively with higher technological demand uncertainty. These results are found using data from the North American mountain bike industry.     

Ordering and pricing policies in a manufacturing and distribution supply chain for fashion products

In the paper, we develop a model of manufacturing and distribution supply chains that are operating to meet price-sensitive random demand for products with short life cycles such as fashion products. Two specific scenarios are considered. The manufacturer-controlled scenario is one where the distributor shares price-sensitive random demand with the manufacturer, and the manufacturer controls the supply chain stocking decisions and bears the risk of overstocking costs. The distributor-controlled scenario works in the opposite direction. Prevailing wisdom suggests that the manufacturer should control supply chain decisions (e.g., via vendor-managed inventory). Our results indicate that such an arrangement is against the interest of a distributor selling short life-cycle products. Furthermore, we find that the total supply chain profit is generally higher when the distributor controls the supply chain stocking decisions and bears the risk of overstocking costs.