Measurement items
| Variables | Items | Based on reference |
|---|---|---|
| Perceived performance of the supplier (PP) (1 = Significantly lower; 7 = Significantly better) | P1: Compared to other suppliers, how well does your firm perform on the following aspects? Product quality | Prahinski and Benton (2004) |
| P2: Compared to other suppliers, how well does your firm perform on the following aspects? Delivery performance | ||
| P3: Compared to other suppliers, how well does your firm perform on the following aspects? Price | ||
| P4: Compared to other suppliers, how well does your firm perform on the following aspects? Responsiveness to requests for changes | ||
| P5: Compared to other suppliers, how well does your firm perform on the following aspects? Service support | ||
| P6: Compared to other suppliers, how well does your firm perform on the following aspects? Overall performance | ||
| Satisfaction with the supplier (STS) (1 = strongly disagree; 7 = strongly agree) | S1: The collaboration with this supplier has been a successful one | Cassia et al. (2021) |
| S2: The collaboration with this supplier exceeded our firm’s expectations | ||
| S3: Our firm is satisfied with the outcomes of the collaboration with this supplier | ||
| S4: Overall, we are very satisfied with this supplier | ||
| Goodwill-based trust (GbT) (1 = strongly disagree; 7 = strongly agree) | G1: I can rely on our major supplier to support my firm in a way that goes beyond what is written in contracts | Holtgrave et al. (2020) |
| G2: I can rely on our major supplier to always treat us fairly | ||
| G3: Our major supplier is taking mutually beneficial initiatives, which exceed our contractual agreements | ||
| G4: Our major supplier is prepared to make sacrifices in order to support my firm | ||
| Competence-based trust (CmT) (1 = strongly disagree; 7 = strongly agree) | C1: I believe our major supplier to be a very capable partner | Holtgrave et al. (2020) |
| C2: Our major supplier is able to generate added value for my firm | ||
| C3: I trust our major supplier to have the leadership and technical skills to realize its announcements | ||
| C4: The advice from our supplier is always useful |
| Variables | Items | Based on reference |
|---|---|---|
| Perceived performance of the supplier (PP) | P1: Compared to other suppliers, how well does your firm perform on the following aspects? Product quality | |
| P2: Compared to other suppliers, how well does your firm perform on the following aspects? Delivery performance | ||
| P3: Compared to other suppliers, how well does your firm perform on the following aspects? Price | ||
| P4: Compared to other suppliers, how well does your firm perform on the following aspects? Responsiveness to requests for changes | ||
| P5: Compared to other suppliers, how well does your firm perform on the following aspects? Service support | ||
| P6: Compared to other suppliers, how well does your firm perform on the following aspects? Overall performance | ||
| Satisfaction with the supplier (STS) | S1: The collaboration with this supplier has been a successful one | |
| S2: The collaboration with this supplier exceeded our firm’s expectations | ||
| S3: Our firm is satisfied with the outcomes of the collaboration with this supplier | ||
| S4: Overall, we are very satisfied with this supplier | ||
| Goodwill-based trust (GbT) | G1: I can rely on our major supplier to support my firm in a way that goes beyond what is written in contracts | |
| G2: I can rely on our major supplier to always treat us fairly | ||
| G3: Our major supplier is taking mutually beneficial initiatives, which exceed our contractual agreements | ||
| G4: Our major supplier is prepared to make sacrifices in order to support my firm | ||
| Competence-based trust (CmT) | C1: I believe our major supplier to be a very capable partner | |
| C2: Our major supplier is able to generate added value for my firm | ||
| C3: I trust our major supplier to have the leadership and technical skills to realize its announcements | ||
| C4: The advice from our supplier is always useful |
Source(s): Own elaboration