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This paper explores the precedents for purchasing to contribute effectively to innovation exploration. We investigate how purchasing can become aware of innovation opportunities, their incentives or motivations to explore and capture innovation and the required capabilities.

Aiming for theory elaboration, we analyse an exemplar case study of a company developing leading-edge practices for involving purchasing in innovation exploration applying an Awareness-Motivation-Capability (AMC) framework.

This study elaborates on purchasing theory with a comprehensive set of AMC-based precedents for purchasing’s innovation exploration contribution that we categorise into three dimensions: motivations, capabilities and awareness. Our findings indicate interrelations between these and purchasing motivation as a precedent of capabilities and awareness.

We demonstrate the useful of applying AMC theory to researching purchasing’s contribution to innovation and how AMC needs to be adapted in this research context. We explore interrelations between awareness, motivation and capabilities but propose future research on the nature of these interrelations.

We suggest ways for managers to shape, adapt or redesign their purchasing organisations to better support innovation exploration.

This study proposes a framework for purchasing contribution to innovation based on AMC theory.

This paper aims to investigate the impact of monitoring and mentoring strategies on sustainability diffusion within supply networks through focal companies and how suppliers engage in implementing these strategies.

The paper reports on three in-depth case studies conducted with focal companies and their suppliers. An interaction approach was adopted to guide the analysis of focal companies’ strategies for implementing and diffusing sustainability in supply networks.

The monitoring strategy impacts sustainability diffusion at the dyadic level, while the mentoring strategy is a prerequisite for the diffusion of sustainability at the supply network level. The findings suggest that coupling monitoring with mentoring can lead to diffusion beyond first-tier suppliers. Interaction intensity, supplier proactiveness and mindset change facilitate sustainability diffusion in supply networks.

The authors suggest more research be conducted on specific practices within monitoring and mentoring, as some of these imply very different levels of commitment and interaction.

The paper suggests that in the future, companies will be increasingly called upon to adopt cooperative initiatives to enable the diffusion of sustainability in supply networks.

The contribution of the paper lies in its identification of the impacts of monitoring and mentoring strategies on the diffusion of sustainability in networks, revealing different supplier engagement in these strategies, which may foster or hinder sustainability diffusion.

Implementing sustainability into global supply networks remains a challenge for companies. Purchasing and supply management (PSM) interacts closely with supply network actors, thus influencing how the firm’s value creation is delivered. While previous sustainable PSM (SPSM) research has shed light on how to manage sustainability on an organizational level, the individual competences PSM professionals require are less understood. The paper aims to discuss this issue.

The authors conducted a systematic literature review to determine the current research coverage of specific competences and knowledge required to implement sustainability. The authors complemented this with data from 46 interviews with practitioners. From coding the data with NVivo, a first comprehensive competence overview for SPSM was developed.

The literature review results, complemented with interview data, highlight that functional-oriented, cognition-oriented, social-oriented and meta-oriented competences form part of a comprehensive SPSM competence model. We propose a framework that includes these, and integrates two behavioral moderators on the organizational level, i.e. situational enabling, as well as empowerment and obligation.

While the proposed framework provides a basic first systematization of SPSM competences, further research is needed to extend it. There is ample opportunity to shed further light on both individual and organizational-level factors that influence the application of SPSM competences, and therefore SPSM behavior.

The results have implications for higher education and professional training programs in companies. The framework provides an overview of competences needed for SPSM. The discussion highlights the need to apply education and training methods for different types of competences that are suitable for conveying implicit knowledge apart from explicit knowledge.

Adressing a current research gap in sustainability-related competences in PSM, the overall framework highlights SPSM competences of interest to both scholars and managers alike.

The purpose of this paper is to explore the challenges facing companies that operate within complex supply networks and the strategies they use to manage such complex supply networks.

The paper uses mixed methods by combining in-depth case studies with an executive forum with those of senior industry stakeholders. The two in-depth supply network case studies were carried out through multiple interviews with focal (or ‘developer’) firms that supply energy through offshore wind power and key suppliers such as wind turbine manufacturers.

The findings show the challenges the offshore wind power industry faces because of complex supply networks, including attempts by several actors to exert their power and control. Despite the networks facing similar complexities and challenges, two distinctly different strategies for orchestrating and governing supply networks are uncovered: one strategy resembles an interventionist strategy, while the other is based on delegation.

Based on the findings, the authors identify and develop a classification of complex supply network divided into intervention and delegation strategies, thereby adding to existing research on ways to manage complex supply networks.

The authors identify strategies for focal firms for managing in complex supply networks, based on control and intervention or coordination and delegation.

Existing research on supply network strategies has largely focused on non-complex contexts. This paper draws from complex adaptive systems and organisational behaviour perspectives to contribute original insights into supply network strategies in complex supply networks.

This paper aims to reflect on recent closed-loop supply chain (CLSC) practices using a natural resource-based view (NRBV) and dynamic capabilities (DC) perspective.

Two empirical case studies of CLSC exemplars are used to discuss the theoretical relevance of these views.

The paper shows how strategic resources help companies in two sectors achieve successful CLSC designs. Strategic supply chain collaboration is an important success factor but also presents a number of challenges. The NRBV is used to explain the importance of new resources in technology, knowledge and relationships and stresses the role of DCs to constantly address changes in the business environment to renew these strategic resources.

This research elaborates on NRBV theory related to CLSCs and reinforces the inclusion of DCs. It specifies the application of NRBV in the context of textiles and carpet manufacture and highlights the inherent conflicts in seeking value while moving towards sustainable development.

Investments in technical and operational resources are required to create CLSCs. Pure closed-loop applications are impractical, requiring relationships with multiple external partners to obtain supply and demand for recycled products.

CLSCs may provide opportunities for social enterprises or third sector organizations collaborating with manufacturers.

This paper provides insights into the constituent resources needed for successful CLSCs. It also helps move CLSC research from a tactical logistics problem to a problem of strategic resources and relational capabilities: what we term “dynamic supply chain execution”. This paper develops a framework for transitioning towards CLSCs, underlining the importance of co-development and forging new relationships through commitment to supply chain redesign, co-evolution with customers and suppliers and control of supply chain activities.

This paper aims to investigate the bridging role of first-tier suppliers in diffusing sustainability in supply networks and how this role is facilitated by the procurement function.

The paper is based on an embedded case study of two supply networks of a coffee beans roasting company. The embedded cases focus on coffee beans and packaging supply networks.

The findings reveal less than expected involvement of the focal company and its procurement function in sustainability implementation with first-tier suppliers. Instead, sustainability diffuses upstream to lower-tier suppliers but also downstream, against the tide, as a result of the various bridging roles performed by first-tier suppliers.

This paper provides two theoretical contributions. First, it contributes to the sustainable supply network management literature by providing rich insights on sustainability diffusion to lower-tier suppliers and the role of first-tier suppliers in this process. Second, the paper contributes to structural hole theory by revealing a typology of bridging roles that actors, such as suppliers, undertake in the sustainability context.

The paper provides managers with practical insights on how sustainability can be diffused in the supply network and the different roles that first-tier suppliers can play in this direction.

This paper shows that sustainability diffusion to lower-tier suppliers is possible in the absence of focal company procurement involvement when bridging roles are undertaken by first-tier suppliers and their procurement functions are involved in the implementation process. These bridging roles facilitate sustainability diffusion both upstream and downstream.

This paper explores how the procurement function initiates and develops relationships with social enterprises that are intended to induce social impact in the supply networks of for-profit firms.

The paper utilises an in-depth case study involving a focal company, first-tier supplier, nongovernmental organisation and four social enterprises.

Tension mitigation that arises between social and commercial logics occurs via individual relationships through building trust, dependency manipulation, monitoring and supplier development activities. Deeper insights are revealed when triadic relationships are viewed within a quadratic relationship configuration that enables better capturing the essence of supply networks.

The paper is based on a single case study, limiting empirical generalisability. Future research could consider multiple case studies to reveal different types of relationship configurations that induce social impact in supply networks.

Societal goals can be met while maintaining supply network economic performance if procurement involves a trusted third party such as a nongovernmental organisation and helps to develop social enterprises as suppliers.

The paper contributes to the sustainable supply chain management literature by reporting on a novel procurement approach for enhancing social sustainability through cooperation with social enterprises. The paper also contributes to supply network theory by demonstrating how exploring quadratic relationships can reveal novel relationship configurations within supply networks.

This paper proposes and empirically investigates two strategies that companies can employ to involve indirect suppliers in new product development (NPD): supply network delegation; and supply network intervention. The implications of the two strategies are explored.

The paper brings together the traditional NPD literature, organizational behaviour and organizational economics literature, and reports on three in‐depth case studies of NPD projects, involving 39 semi‐structured interviews across three supply networks.

The findings reveal different manifestations of the two strategies of supply network intervention and delegation, when applied as part of supplier involvement in product development, and positive and negative indications of delegation and intervention, depending on the actor perspective: manufacturers perceive a need to control the product development process across several supply network tiers through intervention in supplier selection and communication, but these actions are likely to “tie the hands of the suppliers”.

Managers are advised to explicitly delegate decisions to suppliers, for example, by issuing parts approval lists and encouraging communication and problem solving amongst suppliers, and to exercise caution in applying the intervention strategy.

The paper contributes to a better understanding of how to involve indirect (sub‐) suppliers in product development, and the implications of these actions for multiple supply network actors.

Within the Ayrshire knitwear industry in Scotland, a group of small‐ and medium‐sized enterprises (SMEs) have formed a network with the purpose of developing group branded products for export markets. The initiative was instigated by the Ayrshire Textile Group (ATG), which was created in 1991 as a partnership between Enterprise Ayrshire, a government funded body, and the local textile industry. This paper briefly reviews the existing literature describing the internationalisation process of firms and discusses why SMEs may consider networks as a means to developing international markets. The case study of the ATG empirically illustrates how network relationships may facilitate foreign market development by SMEs, the role of enterprise companies in this process, and the problems that SMEs are likely to face in the process. The paper concludes with a discussion of future directions of the research.

The articulation of supply networks, as an extension of supply chains, seeks to accommodate and explain the commercial complexity associated with the creation and delivery of goods and services from the source of raw materials to their destination in end‐customer markets. In place of the simplistic, linear and unidirectional model sometimes presented for supply chains, the supply network concept describes lateral links, reverse loops, two‐way exchanges and so on, encompassing the upstream and downstream activity, with a focal firm as the point of reference. A review of classifications of supply networks reveals that none of the existing approaches appears adequate for managers facing the practical problems of creating and operating them on a day‐to‐day basis. This research identifies differing emphases that may be required for managing within supply networks, according to the nature of the products for which they are created. Taking an established categorisation of supply chains as its starting point, the research first develops the conceptual basis, using strategy literature, and then tests the resultant initial model in 16 case studies. Finally, a new categorisation for supply networks is presented, using the type of product as a differentiator.