Many retailers and food service providers offer programs as part of their loyalty programs in which customers are given stamps for each purchase of a qualifying product or service and redeemed for a reward once a certain number of stamps have been accumulated. We identify which stimuli in such goal-directed motivational promotions induce customers to participate in the program.

• Takashi Teramoto(Chuo University, Japan)
• Hiroyuki Tsurumi(Yokohama National University, Japan)
• Eiji Motohashi(Yokohama National University, Japan)
• Takashi Watanabe(CCC MK HOLDINGS, Japan)
• Shin Sato(CCC MK HOLDINGS, Japan)
• Takuma Kobayashi(CCC MK HOLDINGS, Japan)