References
- Reichheld, F. (2003). The one number you need to grow. Harvard Business Review, 81(12), 46-54.
- Zürn, M. K., & Unfried, M. (2023). Three dimensions of brand purpose: serving shareholders, customers and third parties. NIM Working Paper.
© 2023 Michael Zürn, Fabian Buder, Matthias Unfried, published by Nuremberg Institute for Market Decisions
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