Keiningham, Timothy L.; Aksoy, Lerzan; Cooil, Bruce; … - In: Marketing Science 27 (2008) 3, pp. 531-532
One of the most controversial findings in Morgan and Rego (2006) was that two widely advocated loyalty metrics, “Net Promoter” and “Number of Recommendations,” have little or no value in predicting the financial outcomes of firms. We argue that neither measure was actually examined and...