1. Aberdeen Group. The Next Generation Promotion Study had 212 managers, directors, vice presidents and C-suite respondents representing US-based companies that use a variety of promotional strategies. March 2018.
2. Blackhawk Network Consumer Gift Cards State of the Union, conducted by Murphy Research, March 2019.
3. The Efficacy of Employee Rewards was an online survey of 1,472 employed US adults conducted in 2018 by Murphy Research.