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The effect of brand loyalty and loss aversion on competitive trade-in strategies
Total Quality Management & Business Excellence  (IF3.824),  Pub Date : 2021-06-03, DOI: 10.1080/14783363.2021.1933423
Qin Zhou, Kum Fai Yuen, Yusen Ye

Trade-in promotions allow consumers to turn in old products and receive a discount for purchasing a new item. Firms usually price discriminate consumers based on their purchase history (i.e. new or existing customers). However, behavioural research has shown that consumers exhibit loss aversion and brand loyalty after consuming a product that may influence economic outcomes. This paper examines the impact of consumers’ loss aversion and brand loyalty behaviour on firms’ trade-in promotion pricing strategy, profits, consumer surplus, and social welfare. Contrary to prior game theory research that generally shows that price discrimination based on purchase histories eventually results in lower profits for all firms, we find that firms’ profits from conducting price discrimination can increase with consumers’ loss aversion behaviour. We consider two scenarios where firms recognise and do not recognise consumers’ loss aversion and brand loyalty behaviour. We find that the profit with behaviour recognition is higher than that without behaviour recognition under the condition that consumers’ loss aversion concerns are sufficiently strong. However, both loss aversion and brand loyalty decrease consumer surplus. Besides, consumers’ loss aversion and brand loyalty behaviour can increase social welfare because they can reduce inefficient switching.