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Evidence behind this lens.

See what shaped the method — and where uncertainty remains.

John Bogle lens12 sources in the method recordno verified passageDirectly verifiable: PARTIAL
Sources supporting claim 01
Common Sense on Mutual Funds: New Imperatives for the Intelligent Investorwriting · 1999DirectNo passage is mapped to this claim. Sources are listed for provenance; a quotation appears only when it has been verified for the specific claim.
No public link
The Arithmetic of 'All-In' Investment Expenses, Financial Analysts Journalwriting · 2014DirectNo passage is mapped to this claim. Sources are listed for provenance; a quotation appears only when it has been verified for the specific claim.
No public link
The Economic Role of the Investment Company (Princeton senior thesis)writing · 1951DirectNo passage is mapped to this claim. Sources are listed for provenance; a quotation appears only when it has been verified for the specific claim.
No public link
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