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The present paper proposes simultaneous research into the effects of co‐operation with buyers and suppliers on company performance, and how both types of co‐operation interact in one specific industry.

The paper conducts an analysis of a sample of 80 sawmills in the Spanish regions of Galicia and the Basque Country, comprising most of the wood production in Spain.

Contrary to prior research, the results suggest that contextual factors, inherent to each supply chain, affect the relationship between supplier‐customer co‐operation and performance.

The findings lead one to argue that some traditional arguments in favour of co‐operation with buyers and suppliers might not be applicable to specific industries, positions in the value chain or exchanged products, and that industry‐specific variables should be included in future research.

Sawmills appear to benefit only from co‐operation with buyers, but not from co‐operation with suppliers. Furthermore, the two types of co‐operation do not appear to generate synergy.

The study adopts a systemic view of the supply chain and argues that industry‐specific factors, and position in the value chain, should be included as control variables in empirical work researching the competitive consequences of co‐operation in the value chain.

The paper aims to examine the role of extranet portals – one‐to‐many web‐portals extending a company towards its suppliers or customers – in relation to system‐to‐system (S2S) links in facilitating information exchange between suppliers and buyers.

A case study approach is used to analyze empirical data collected from 16 Finnish companies concerning the use of inter‐organizational information systems in information exchange with supply chain partners.

For the use of extranet portals in relation to S2S links in information exchange between supplier and buyer, two concepts – partner‐extending role and information‐expanding role – emerged from the case studies.

The Finnish context and the research methodology chosen have to be taken into consideration when generalizing on the findings. As for future research, the findings indicate that, when studying the use of technological solutions for information exchange in supply chains, the interplay between the different types of solutions used should be acknowledged instead of studying the solutions separately.

S2S links and extranet portals can be used as complementary solutions in facilitating supply chain co‐operation and the related information exchange. Hence, practitioners should not only acknowledge the fundamental differences between these two types of information systems but also leverage these differences to achieve more synergy in the use of inter‐organizational information systems. Further, a conceptual tool is provided for assessing the use of extranet portals in relation to S2S links with supply chain partners.

The study contributes to the limited prior research on extranet portals and develops concepts that can be utilized both in future research and in practice.

The purpose of this paper is to use high‐tech companies in Taiwan as research subjects to verify the fit of the commitment‐trust theory and explore the supply chain relationships among research variables.

The key mediating variables model (KMV) proposed by Morgan and Hunt is applied to construct the research structure, hypotheses, and questionnaire. The research hypotheses are validated through structural equation modelling and confirmatory factor analysis.

Research results show that for two parties of an exchange relationship, higher levels of trust can lead to better interactions and trust is an important factor affecting their supply chain partnerships. It helps increase interests of both parties, facilitate constant co‐operation and communication, and reduce uncertainties. Higher levels of commitment can also help increase value benefits, reduce a partner's propensity to leave, and enhance supply chain co‐operation efficiency.

Empirical results indicate that relationship marketing is a strategy that promotes trust and commitment of partners in high‐tech industries. While information sharing and communication can increase partners' intention of long‐term co‐operation, functional conflicts can facilitate positive interactions and reduce uncertainties. Through relationship marketing, high‐tech companies can create win‐win strategic alliances to develop their competitive advantages in the market.

This paper details a preliminary study into the impact of different supplier‐customer relationships on the performance of manufacturing companies in the clothing industry. This study produces three generic models for supplier‐customer relationships and their corresponding practices, which in essence represent three different levels of supply chain integration. It also develops a set of financial and non‐financial performance measures in order to determine the effectiveness of different types of relationship. A detailed survey was carried out in order to test the theoretical models and compare the performance of companies under the different types of relationship. Results are presented which compare the effect of various forms of supplier‐customer relationships on company performance, using data collected from 38 UK clothing manufacturers.

Food consumption impacts heavily on the environment. It is therefore highly relevant to study food‐purchasing processes and needs for environmental information in the food supply chain. The objective of this article is to report findings from a study identifying practices in using environmental information when making decisions on what food to procure and purchase.

Using a phenomenographic approach, professional purchasing managers at food production companies and wholesalers in public and commercial food services as well as retailing were interviewed with the aim of identifying practices when using environmental information in decisions on what food to procure for purchasing.

The findings show that purchasers are dependent on corporate policy when it comes to environmental considerations related to food. Purchasers are mainly guided by business parameters with respect to price, quality and service. These factors are given priority over co‐operation along the food supply chain. Such co‐operation has been shown to have the potential to encourage environmentally friendly purchasing decisions.

The study places the issue of the use of and need for environmental information in the food supply chain on the national agenda in Sweden. Thus, the study contributes to increasing the awareness of the importance of professional food purchasers as actors for change towards more environmentally friendly food consumption.

The purpose of this paper is to explore the relationship between green supply chain integration (GSCI) and green innovation and to analyze the moderating effects of environmental uncertainty.

A multi‐dimensional approach was employed to develop a comprehensive theoretical framework which encompasses various aspects of GSCI, green innovation and environmental uncertainty. To identify the effects of GSCI and environmental uncertainty on green innovation, hierarchical moderated regression analysis was applied using questionnaire data from 211 Taiwanese, information technology (IT) manufacturers.

Supplier, customer and internal integration enhance both green product and process innovations. Demand uncertainty positively moderates each GSCI‐green innovation link. However, the moderating effect of technological uncertainty is insignificant.

This study conducted a cross‐sectional investigation of the Taiwanese IT industry. Therefore, it lacks the advantages of a longitudinal case study and its findings cannot be generalized to other industries.

This study argues that, to improve green innovation performance, managers should endeavor to integrate resources and capabilities within their organizations, suppliers and customers. It also suggests that managers should constantly follow demand trends in the market and maintain tight technological networks among supply chain partners.

This study provides new insights into green supply chain management (GSCM) knowledge: theoretically creating GSCI‐green innovation links with the natural‐resource‐based view, and empirically demonstrating that effective green innovation requires multi‐dimensional GSCI. Furthermore, it develops a valid and reliable scale of environmental uncertainty for future research in GSCM, and presents the characteristics of implementing GSCI in Taiwan's IT industry.

The purpose of this paper is to investigate the climate for co‐operation, from both the supplier and buyer perspectives, for its impact on co‐operative activities. Climate encompasses the constructs of cross functional barriers, participation by the respondent in strategic customer/supply decisions and expectation of the continuity of the relationship, competitive pressure and institutionalized beliefs about co‐operation in the firm's industry.

The design of the study is based on a cross‐sectional mail‐based survey of 89 buyer and supplier dyads, involving 178 manufacturing companies. First, the psychometric properties of the proposed constructs were assessed. Then the relationships among the proposed constructs were tested by structural equation modeling for the supplier and then the buyer samples.

Both parties' co‐operative behaviors were strongly influenced by the expected continuity of the relationship. Suppliers differed from buyers in that they were influenced by institutional beliefs about co‐operation. Involvement in decision making positively affected shared planning activities for the suppliers whereas it affected relationship flexibility for the buyers. Lastly, buyers in contrast to suppliers were influenced by competitive pressure.

As a cross‐sectional study about complex inter‐firm relationships, the research does not directly capture relationship effects over time. The paper also does not address how climate affects the formulation and implementation of dysfunctional buyer‐supplier relationships.

Buyers and suppliers should be aware that there are significant similarities and differences in how their partners respond to the context in which they operate. This knowledge is important in understanding what drives the other party's behavior in the formal and informal negotiations and problem solving that characterize an ongoing relationship.

The research uses dyadic data to understand both sides of the buyer supplier relationship. It introduces constructs such as institutional belief and cross‐functional barriers and functional involvement in strategic planning as components of a new concept called co‐operative climate. This concept is found to be relevant to both buyer and supplier perspectives.

This study investigates the issue of power in business‐to‐business relationships and constitutes an appraisal of the theory relating to issues of supply chain relationships; in which the received view from the relationship marketing literature with its emphasis on trust, dyadic symmetry and mutuality is questioned. It is contended, alternatively that other types of relationships, for example, those based on selfishness are equally relevant; and that power imbalanced business relationships are just as important to the understanding of business exchange.

Specific reference is made to power relationships in vertical food supply channels in the UK, where the majority of control lies in the hands of large multiple retailers. The paper cites case material drawn from studies into the relationships between UK‐based fresh food supplier organisations and their principal customers, the leading UK food retailers.

Specific outcomes are determined with regard to issues of power, mutuality and the nature of power‐dependent relationships. Power play is omnipresent in exchange relationships and is not always seen in a negative light. Relationship‐building is perfectly possible in asymmetric relationships and weaker parties are tolerant of power imbalance.

The study concludes that power should be a central consideration when concerned with business relationships and that imbalances in power are no specific barrier to parties entering into relationships or to their success.

Findings from chosen case studies are transferable to other vertical channel circumstances. Any future investigation should consider the expression and limits of power and the boundaries of tolerance to power imbalance.

Provides evidence of the nature of power‐dependent business relationships.

This paper aims to empirically test the relationship between supplier relations and satisfaction with overall supplier performance in a services context at a process level of analysis.

Two hypotheses are developed, one predicting a positive relationship between a multi‐dimensional construct of supplier relations and satisfaction with overall supplier performance, and one five‐part hypothesis predicting positive relationships between the underlying components of supplier relations and satisfaction with overall supplier performance. Using a sample of 108 financial services processes, the first hypothesis is tested using regression analysis, and the second hypothesis is tested using correlation analysis.

After controlling for supplier efficiency and responsiveness, use of information technology, electronic information‐sharing, supplier type, and firm size, better supplier relations are associated with satisfaction with overall supplier performance. However, while the “partnering” components of the relationship (i.e. cooperation and long‐term commitment) are correlated with satisfaction with overall supplier performance, the “operational” components of the relationship (i.e. high degree of coordination, information‐sharing, and feedback) are not.

Limited informant population, primarily single respondents, some single‐item variables.

The research results suggest not only the importance of improving overall supplier relations, but also the particular benefits of building partnerships within the service supply chain through co‐operation and long‐term commitment in order to increase satisfaction with overall supplier performance.

Unlike most empirical supply chain management studies, which use data from manufacturers at the strategic business unit or firm level, and recognizing that services and manufacturers differ in certain respects that are salient for supply chain management, this study uses data from a services industry (i.e. financial services) collected at the process level and provides unique insights into services and process level supply chain management.