Title

Electronic word of mouth: The effects of incentives on e-referrals by senders and receivers

RIS ID

115168

Publication Details

Ahrens, J., Coyle, J. R. & Strahilevitz, M. Ann. (2013). Electronic word of mouth: The effects of incentives on e-referrals by senders and receivers. European Journal of Marketing, 47 (7), 1034-1051.

Abstract

Purpose: The purpose of this work is to test several incentive strategies for attaining new customers via electronic referrals, or e-referrals. The paper aims to examine: the roles of both the magnitude of the incentive offered to the sender and the magnitude of the incentive offered to the receiver; and the effect of equity versus inequity of financial incentives for the two parties.

Design/methodology/approach: The study consisted of a large-scale field experiment conducted with 45,000 members of an online mall. The participants were divided into eight conditions in an incomplete two-factor 4x4 between-subjects design, where not every combination of incentive magnitudes was utilized and the magnitude of the incentive offered the receiver and sender varied in size such that sometimes rewards were equal, sometimes receivers of the e-referral had larger rewards, and sometimes senders of the e-referral s received more. Dependent measures included the number of e-referrals sent, the number of those e-referrals that lead to a new customer registering, and the number of new registrants that converted to buyers from completing a purchase.

Findings: The results demonstrate that both the magnitude of financial incentives, and the relative magnitude of the incentives for the senders and receivers both influence e-referral rates. Specifically, it was found that offering higher incentives to senders and receivers led to an increase in referral invitations sent, new member sign-ups and new buyers. It was also found that the disparity between incentives offered to senders and receivers affected e-referral rates and that inequity should favor the sender to enhance results.

Originality/value: This paper offers marketers valuable insights as to how different combinations of financial incentives to receivers and senders can affect e-referral rates. The findings suggest that potential referrers respond not only to referral incentives but also to the disparity between their incentives and the receivers' incentives.

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Link to publisher version (DOI)

http://dx.doi.org/10.1108/03090561311324192