Bloomberg Opinion columnist Barry Ritholtz interviews ETF expert Dave Nadig, who is managing director of ETF.com and former director of ETFs at FactSet Research Systems. Nadig helped design some of the first ETFs as managing director at BGI, and as co-founder of Cerulli Associates, he conducted some of the earliest research on fee-only financial advisers and the rise of indexing.

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The Intersection of Science and Finance with CFM's Jean-Philippe Bouchaud
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At The Money: Tax Day Special
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