Multi-tier loyalty programs to stimulate customer engagement

Bijmolt, T. H. A., Krafft, M., Sese, F. J., & Viswanathan, V. (2017). Multi-tier loyalty programs to stimulate customer engagement. In Customer Engagement Marketing (pp. 119–139). Springer International Publishing. https://doi.org/10.1007/978-3-319-61985-9_6