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Purpose -The purpose of this research is to focus on the role of trust in knowledge sharing. Social capital researchers have put forward trust as an important force behind the sharing of knowledge. This study aims to investigate whether trust indeed explains knowledge sharing relationships, or whether there are in fact much more important drivers of the sharing of knowledge in new product development projects. Design/methodology/approach -A survey study was carried out in large new product development projects, including 23 teams and 91 individuals. Findings -The main finding is that trust is a poor explanatory of knowledge sharing. Team membership, on the other hand, has the largest effect on the density of knowledge sharing relationships. Social capital thus does not reside in trust but in team membership, especially for longer-lived teams. Research limitations/implications -There should be more attention for other aspects affecting knowledge sharing, including team characteristics. Originality/value -This article will be of use to organizations conducting new product development, wishing to manage knowledge sharing as social capital. Moreover, this article provides more insight on the value of the trust in knowledge sharing and offers directions for future theory development.

We examined how psychological safety fosters knowledge‐sharing processes and enables team creative performance. Using a multi‐respondent design, we tested our hypotheses using survey data collected from 73 patient‐centred healthcare teams working in the field on rare diseases. The data were analysed using latent class regression analysis. We confirmed that a high level of psychological safety within the team is a significant predictor of creative team performance and is mediated by the sharing of two types of knowledge: information and know‐how.

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Can organizations exert control and provide structure for NPD activities while at the same time encouraging and managing creative performance? Any new product development (NPD) project requires some level of creative effort. In new product development, creative performance is of preeminent importance. Most NPD projects are executed with the NPD team as the organizational nucleus. As a result, managing creativity in NPD thus implies managing the creativity of NPD teams. Besides having to manage creative performance, companies are generally also concerned with improving the efficiency and effectiveness of the NPD process. Modern NPD projects therefore have the need for an approach that can be planned, optimized, and verified. As a consequence, systematic design methods have become widely used in NPD. In this article conceptual model is developed of the effect of modern design methodology on the creative performance of NPD teams. First, it is argued that the effect of systematic design methodology on NPD team creativity is mediated by the communication patterns of the NPD team. It is then proposed that four principles underlie modern design methodology: hierarchical decomposition, systematic variation, satisficing, and discursiveness. These principles affect NPD communication by, respectively, influencing the establishment of subgroups, the frequency of communication, the level of agreement or disagreement in the team, and the level of centralization of communication. Next, arguments are presented of how each of these four communicational characteristics shapes the creative performance of NPD teams. This second part of the conceptual model is tested empirically. This is done by studying the communication patterns in 44 NPD teams, employing social network analysis tools. These patterns of communication are then related to team-level creative performance through a set of regression analyses. The main conclusion of the article is that the design principles work together and need to be considered as an integrated whole: the creative performance of NPD teams can only effectively be managed by using and aligning all four of them.