“…There are other empirical studies that analyse the separated effect of internal or external integration programs on performance. The studies considering only the internal integration-performance relationship are Daugherty, Ellinger & Gustin, 1998;Keller, 2000 andStank, Daugherty &. And, the studies analysing only the external integration-performance relationship are: Daugherty, Sabath & Rogers, 1992;Larson, 1994;Daugherty, Ellinger & Rogers, 1995;Groves & Valsamakis, 1998;Stank, Crum & Arango, 1999;Stank, Daugherty & Autry, 1999;Ellinger, Taylor &Scannell, Vickery &Dröge, 2000. We plan to contribute to the existing empirical research on the relationship between SCM and performance by:…”