Korneta, Piotr - In: International journal of management and economics 54 (2018) 2, pp. 136-148
Introduced in 2003, net promoter score (NPS) very quickly gained popularity, as a customer loyalty measure, among companies and a part of researchers, due to its simplicity, the ease of interpretation, low costs of calculation, and, overall, its assumed impact on future growth and profitability....