B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
16%
16% -- referred buyer clv uplift for referred buyers (2025)
Referred buyers have a 16% higher customer lifetime value (CLV) than an average Amazon shopper according to the Wharton School of Business.
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Lighthouse Research Team
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Evidence graded
Value
16%
Unit
Percentage
Data Vintage
2025
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Wharton School of Business
Primary
Tier C
https://www.mara-solutions.com/post/how-to-write-the-best-replies-to-amazon-reviews-as-a-seller ↗
Source Article
How to Write the Best Replies to Amazon Reviews as a Seller
How to Write the Best Replies to Amazon Reviews as a Seller
Amazon is a lucrative online marketplace to sell products. But with 9.5 million Amazon sellers, competition is fierce. You must make the extra effort to stand out and increase your bottom line. To achieve this, Amazon sellers must respond t…
Original Research
Wharton School of Business
· Original study ↗
Methodology
Wharton School of Business study
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
referred buyers: 16% referred buyer clv uplift. Source: Wharton School of Business (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/referred-buyers-clv-16-higher
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<blockquote cite="https://lighthousedata.io/data/referred-buyers-clv-16-higher" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>16%</strong> -- referred buyer clv uplift for referred buyers<br><small>Source: Wharton School of Business (2025) · <a href="https://lighthousedata.io/data/referred-buyers-clv-16-higher" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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