The Loyalty Effect (book)

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The Loyalty Effect (Revised edition, 2001)

The Loyalty Effect is a 1996 book by Fred Reichheld of the consulting firm Bain & Company, and the book's title is also sometimes used to refer to the broader loyalty business model as a whole.[1] Reichheld's book was exceptionally popular with marketing and customer relationship management professionals, and as such the phrase "loyalty effect" has become synonymous in some circles with the more generic concepts covered by the loyalty business model.[2]

In 2001, Reichheld penned a sequel to the book called Loyalty Rules! and released a revised edition of the original work.


  1. ^ doi:10.1016/S0377-2217(02)00392-2 Gunnarsson, Claes and Seth Jonsson, European Journal of Operational Research, Volume 144, Issue 2, 16 January 2003, Pages 257-269
  2. ^ [1] Hughes, Arthur Middleton, "Measuring the Loyalty Effect," Direct Magazine, 1998
  • Reichheld, Frederick F. The Loyalty Effect, Harvard Business School Press, 1996. (Revised 2001)
  • Reichheld, Frederick F. Loyalty Rules!, Harvard Business School Press, 2001.

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