T his study examines the antecedents of supply chain project success. We first propose and test a model that describes the role of relationship-level factors (trust and asymmetric dependence) and project-level factors (between-firm communication and within-firm commitment) in determining supply chain project success. We find that project-level factors completely mediate the effect of trust on project success. We conclude that trust, despite being a stronger predictor compared to asymmetric dependence, is necessary but not sufficient for supply chain project success. We then proceed to further explore the role of these factors by introducing a categorical scheme that differentiates supply chain projects based on the decision rights configuration of each project. This categorization enables us to explore how relationship-level and project-level factors can have different impact on performance based on the characteristics of a supply chain project. The findings offer insights into how to effectively manage supply chain projects and inter-firm alliances.

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School boards have received little attention in sociology of education. Drawing on organizational sociology, a model of school board social capital is proposed that treats brokerage (external ties) and closure (internal ties) as the key dimensions of board functioning. The model brings together insights from limited research on school boards concerning members' internal and external ties and recasts them as the building blocks of a unifying theoretical framework. It also proposes specific performance outcomes at the district level. The model is tested using the data from a representative sample of Pennsylvania districts. The analysis not only explores brokerage and closure patterns among school boards, but also examines their implications for academic outcomes. Findings suggest that eighth grade reading and mathematics performance are highest in districts, where boards exhibit high levels of both brokerage and closure, and lowest in districts, where brokerage and closure are both low.

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