In lieu of a broader blog post this month, I’m sharing a link to a documentary film recently released on YouTube entitled “Tune Out the Noise.” It was featured in the Wall Street Journal this past weekend and tells the story of Dimensional Fund Advisors (DFA), a pioneering investment firm born out of exhaustive academic research at the University of Chicago. That graduate school of business, now known as the Booth School, is named for David Booth, a generous contributor to the university and a co-founder with Rex Sinquefield of DFA.

This 86-minute documentary, directed by the masterful Errol Morris, frames the practical application of decades of study by multiple Nobel Prize laureates around the triumph of passive investing over active investing. If you’re not familiar with the difference between index investors (passive) and stock pickers (active), or the alleged controversies surrounding the comparison, this film will provide an entertaining primer to one of Wall Street’s greatest battles for the hearts and minds of ordinary people putting their money to work for the long-term, particularly into retirement. I won’t spoil the punchline, but you won’t have to wait for the end of the movie to understand its thesis.

The DFA leadership team sponsored the production and made it available free of charge because they want to broaden the public’s perspective on the mathematics underlying equity markets, generation after generation. I have been a massive fan of DFA almost since its inception. Whether or not you agree with the firm’s approach to investing, I believe you owe it to yourself to better understand what they set out to do, how it has played out, and how many believers have been fortunate enough to benefit from so many serious, critical thinkers who set out to change their corner of the world and pulled it off in spectacular fashion.

I hope you enjoy the show as much as I did, and come to respect this brilliant group of financial leaders as much as I do.

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Video: YouTube