Acquisition and retention · Customer-level observational analysis of a referral program
How Customer Referral Programs Turn Social Capital into Economic Capital
Van den Bulte, C., Bayer, E., Skiera, B., & Schmitt, P. (2018). Journal of Marketing Research, 55(1), 132–146.
Plain-English take
Referrer and referral pairs shared unobserved contribution-margin characteristics. For your marketing: Measure both referrer and referred-customer behavior.
How much weight to give this
2.5/5 Limited or context-dependent evidence
The 1–5 evidence-check score is a practical reading aid, not a formal peer review or a probability that a conclusion is true. It combines design strength (2 points), sample reporting (1), comparison/control clarity (1), and how much of the paper could be checked (1). Access affects how confidently this directory can assess a study, not the study's underlying quality. Blinding is reported separately because it is not relevant to every design.
This is observational evidence; selection or unmeasured differences may affect the result.
A usable sample size is not stated in the profile's accessible source.
Statistical adjustment is not the same as random assignment; review the controls and assumptions.
This profile could be checked against an abstract or metadata, not the full paper.
Double-blind? Not applicable in the same way as a participant-treatment experiment.
Research question
What the authors investigated
Why can referred customers have higher value, and how do referrer characteristics relate to referred customers' margins and retention?
Design
The authors study customer-referrer dyads in a referral program and test mechanisms of better customer matching and social enrichment using contribution margin and churn outcomes.
Sample and setting
Customers and referrals in one firm's customer referral program; the publisher abstract does not state a sample size.
Reported result
What the study found
Referrer and referral pairs shared unobserved contribution-margin characteristics. More experienced referrers brought higher-margin referrals, though this association weakened over the referral's lifetime. Referrals churned less only while their referrer remained a customer.
This is a paraphrase of the source. Check the original paper for definitions, estimates, statistical uncertainty and analysis details.
Scope and transfer
Limitations to keep in view
One firm's program and customer base; the paper's mechanism estimates are not automatically causal outside that context. The abstract's targeting recommendation reflects that firm's data and program.
Possible founder application
Measure both referrer and referred-customer behavior. Referral quality may reflect who refers and the continuing relationship between the pair, not only the acquisition source label.
Evidence access
Publisher abstract; full text access may vary
Journal of Marketing Research abstract; all findings and the dyadic mechanisms are reported there.
If only an abstract or metadata was available, the profile is limited to claims supported there. A paper's paywall does not change its evidentiary status, but it limits what we can substantiate from accessible text.