Sourcing preference scale: Measuring preferences of purchasing managers for single sourcing or multiple sourcing of products

Abstract This study examines single and multiple sourcing of products. A scale, the sourcing preference (SP) scale, is developed to measure purchasing manager attitudes towards either single or multiple sourcing. The scale is then used to determine differences in selected demographic and organizational characteristics between purchasing managers who have a preference for single sourcing and those who have a preference for multiple sourcing.

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