Appendix

Table AI Measurement scales

Item total correlations

Collaboration: Cronbach's alpha = 0.805 (based on Kahn, 1996)

How much do you agree or disagree with the following statements regarding your business unit's relationship with this supply-chain partner?

We are achieving our long-term goals together 0.796

In this supplier relationship, we share ideas, information, and/or resources 0.796

We work together with this supplier as a team 0.826

People from both companies work together informally 0.768 Trust: Cronbach's alpha = 0.776 (based on Doney and Cannon, 1997)

How much do you agree or disagree with the following statements regarding your business unit's relationship with this supply-chain partner?

In this supplier relationship, we keep promises we make to each other 0.859

Each party believes the information provided by the other 0.747

We both find each other trustworthy 0.909

Electronically mediated exchange: Cronbach's alpha = 0.754 (based on Kulchitsky, 1997)

How much do you agree or disagree with the following statements regarding your business unit's relationship with this supply-chain partner?

We are linked electronically so that we can share information of mutual interest 0.857 In this supplier relationship, we frequently communicate through electronic media such as the internet, intranets, electronic mail or EDI systems 0.864

In this relationship, we emphasize integrated information systems 0.728

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