От английского costs – «издержки». – Здесь и далее примеч. ред.

Расчетный показатель, позволяющий оценить уровень рыночной недооцененности или переоцененности акций.

http://www2.bain.com/Images/BB_Prescription_cutting_costs.pdf

https://hbswk.hbs.edu/archive/the-economics-of-e-loyalty

 https://newsroom.accenture.com/news/members-of-customer-loyalty-programs-generate-significantly-more-revenue-for-retailers-than-do-non-members-accenture-research-finds.htm

 http://currents.rosetta.com/2015/03/why-engaged-customers-are-your-best-customers-facts-figures-on-the-value-of-engagement/

 https://kitewheel.com/press-releases/new-independent-study-reveals-major-disconnect-brands-todays-connected-consumers/

https://www.the-cma.org/Contents/Item/Display/327325

https://www.rbc.ru/business/14/02/2017/589d97a49a7947e189fe2459

https://romir.ru/press/rambler-eksperty-rasskazali-ob-otnoshenii-rossiyan-k-kartam-loyalnosti

https://romir.ru/press/rambler-eksperty-rasskazali-ob-otnoshenii-rossiyan-k-kartam-loyalnosti

Годин Сет. Фиолетовая корова. М.: МИФ, 2018. 176 с.

Permission marketing: turning strangers into friends, and friends into customers / Seth Godin. New York: Simon & Schuster, 1999.

https://www.visioncritical.com/blog/keep-customers-happy-infographic