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Linking Perceptual and Behavioral Customer Metrics to Multiperiod Customer ProfitabilityA Comprehensive Service-Profit Chain ApplicationGhent University This study proposes and empirically tests a comprehensive service-profit chain (SPC) framework that links survey-based customer satisfaction (CS), service quality (SQ), and share-of-wallet (SOW) measures to longitudinal data on two outcome variables—customer retention and customer profitability—gathered from a financial services company's internal records. The framework also incorporates other potential determinants of customers' actual behavior and offers several important insights. First, it demonstrates that an "interactive customer segment" (replacing current offerings with newer ones) is more profitable than are other segments. Second, it augments current knowledge about the SOW-profitability link by revealing that (a) different levels of SOW generate different levels of customer profitability (cross-sectional effect) and different profitability trajectories through time (longitudinal effect), with the high-SOW segment outperforming full- and low-SOW segments, and (b) the longitudinal relationship between SOW and profitability is nonlinear, with heterogeneity in profitability across customers significantly higher than the variability of the observed profitability values over time.
Key Words: service-profit chain share of wallet retention behavior multiperiod customer profitability financial services
Journal of Service Research, Vol. 11, No. 1,
3-21 (2008) |
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