Investing in existing customers is widely accepted as a promisingstrategy because it is believed to be less costly than attracting new ones. Recentresearch by Reinartz et al. [39] provides indications, however, that it could alsobe profitable to simultaneously focus on a customer segment being...

Multi-service providers, such as telecommunication and financial service companies, can benefit from understanding how customers’ service portfolios evolve over the course of their relationships. This can provide guidance for managerial issues such as customer valuation and predicting...