The Service–Profit Chain: A Meta-Analytic Test of a Comprehensive Theoretical Framework

Abstract

The service–profit chain (SPC) has served as a prominent guidepost for service managers and researchers alike. This meta-analysis provides the first comprehensive test of the SPC, showing that all the proposed links are statistically significant and substantial. However, the effect sizes vary considerably, partly according to the type of service provided. Meta-analytic structural equation models show that internal service quality translates into service performance through various mechanisms beyond employee satisfaction, and they highlight the importance of the service encounter and customer relationship characteristics for customer responses. The findings not only indicate the need to integrate complementary paths in the SPC framework but also challenge the implicit SPC rationale that firms should always maximize employee satisfaction and external service quality to optimize firm performance.

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