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Journal Articles Journal of Business and Industrial Marketing Year : 2009

Benchmarking the Impact of Customer Share in Key-Supplier Relationships


Business marketers increasingly pursue greater shares of their customers' business. While the merits of such a strategy are straight forward from a supplier perspective, this paper aims to explore its consequences from the customer's point-of-view. Design/methodology/approach : Drawing on resource-dependence theory, value and dependence are established as fundamental characteristics of buyer-seller relationships. Data envelopment analysis is used as a benchmarking tool to integrate these characteristics into a common efficiency scoreindicating the customer-perceived attractiveness of a sourcing relationship. A post-DEA-regression-analysis explores the link between sourcingattractiveness and relative customer share. Findings : This research suggests a quadratic relationship between sourcing attractiveness and relative customer share. The perceived level ofsourcing attractiveness improves until the local maximum is reached and declines beyond a relative customer share of 61.33 per cent. Research limitations/implications : Additional fraction of variability (R2) in sourcing attractiveness explained by customer share displays a modest,yet substantial, level. Studies on customer share in comparable contexts found similarly low levels. Practical implications : Sourcing attractiveness provides an interesting metric for assisting managers in their decision-making. Instead of comparingsupplier relationships across the board, the proposed approach allows to compare relationships against their best-in-class benchmark. Findings suggest that the vast majority of supplier relationships still offers avenues for further improving the existing supply bases. Pushing the share of customer beyondits optimum level, however, will have negative consequences for the customer-perceived attractiveness of the sourcing relationship. Originality/value : The paper contributes to a better understanding of the consequences of customer share marketing from the customer's perspective.


Dates and versions

hal-00491693 , version 1 (14-06-2010)



Wolfgang Ulaga, Andreas Eggert S, Sabine Hollmann. Benchmarking the Impact of Customer Share in Key-Supplier Relationships. Journal of Business and Industrial Marketing, 2009, Vol.24,nº03-avr, pp.154-160. ⟨10.1108/08858620910939705⟩. ⟨hal-00491693⟩


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