Many studies, both theoretical and practical, have emphasised the benefits of information sharing (IFO SH). Most of the research gives mathematical algorithm models that quantify the benefits of IFO SH in the supply chain, but few studies examine the empirical side. This study has empirically tested the relationships among environmental uncertainty (EU), internal integration (INT IN), external integration (EXT IN), IFO SH, and performance. We conducted a field study of 110 firms in the automotive manufacturing industry in Canada and tested the proposed model using the structural equation modelling (SEM) technique. Our results indicated that EU, INT IN, and EXT IN positively impact IFO SH. IFO SH has a positive and direct impact on operational and financial performance, and it enhances the supply chain performance. The study shows that IFO SH is crucial to supply chain performance because it provides the facts that supply chain managers need to make decisions. Copyright

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Keywords External integration, Information sharing, Internal integration, Performance, Structure equation model, Supply chain
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Journal International Journal of Procurement Management
Fantazy, K.A. (Kamel A.), Kumar, V, & Kumar, U. (2011). The impact of information sharing on supply chain performance: An empirical study. International Journal of Procurement Management, 4(3), 274–296. doi:10.1504/IJPM.2011.040370