Why Can On- or In-Pack Incentive Programs Like Pepsi Points

Multiple Choice

Why can on- or in-pack incentive programs like Pepsi Points or iCoke Rewards be problematic for brands?

A) The consumer may experience negative reinforcement when comparing competitive prices.
B) If the promotion is ongoing, it is difficult to predict consumer behaviour should the reinforcement ever stop.
C) Consumer switching behaviour is curtailed.
D) Retailers are not happy having to purchase large amounts of product to support the promotion.