Modeling reward expiry for loyalty programs in a competitive market

Amirhossein Bazargan, Salma Karray and Saeed Zolfaghari

International Journal of Production Economics, 2017, vol. 193, issue C, 352-364

Abstract: This paper investigates reward expiry for loyalty programs. It provides insights into the profitability of setting reward expiry for competing firms and identifies conditions under which such a policy would be beneficial. We develop and solve a game-theoretic model that reflects consumer behavior in choosing products and redeeming rewards. Applying a new iterative algorithm, we get the Nash equilibrium outputs for three scenarios (games): (1) neither firm sets an expiry date, (2) both firms set an expiry date, and (3) only one firm sets an expiry date. Comparison of the firms' profits across scenarios shows that the firms' prices and profits are affected by the loyalty program of the competing firm and by consumers' valuation of rewards and of time to rewards. In particular, a firm offering rewards that do not expire should increase its price if the competing firm changes its reward policy from no expiry to expiry, even when the expiry period is quite long. Finally, when customers highly value rewards and time, reward expiry is a dominant strategy for both firms. This means that firms would benefit from setting expiry on their loyalty rewards only if their customers highly value both rewards and time. Alternatively, both firms' rewards should not expire if consumers have low valuations of both rewards and time.

Keywords: Loyalty programs; Iterative algorithm; Multinomial logit models; Game theory; Reward expiry; Marketing-operations interface (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:proeco:v:193:y:2017:i:c:p:352-364

DOI: 10.1016/j.ijpe.2017.08.001

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