DUGi

Evidence for quality management systems being instrumental in improving supplier performance: the case of the wind power sector

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This paper evaluates whether ISO certification enables a supplier tobecome an extended resource in a specific sector. The evaluation consisted of astatistical analysis of data from 90 suppliers to a wind turbine manufacturer.The suppliers were selected, evaluated and audited as extended resources froma resource-based view (RBV). We test the differences that the qualifiedsuppliers exhibit in main ISO processes and we identify specific areas that willimprove supplier relationships. We also demonstrate significant differencesexist when the level of technology the supplier uses is taken into account. Ourresults may well be applicable in a wider manufacturing processes context. Wedetermine that ISO certification alone is not enough to cement a positiverelationship in an upstream supply chain environment, despite suchrelationships being crucial to the success of a business, and support the use of awider sector-specific certification tool that goes beyond ISO certification

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