Is Modern Portfolio Theory Dead? Come On.

Editor's note: Paul Pfleiderer is the C.O.G. Miller Distinguished Professor of Finance at the Stanford Graduate School of Business and co-founder of Quantal International. A few weeks ago, TechCrunch published a piece arguing software is better at investing than 99% of human investment advisors. That post, titled Thankfully, Software Is Eating The Personal Investing World, pointed out the advantages of engineering-driven software solutions versus emotionally driven human judgment. Perhaps not surprisingly, some commenters (including some financial advisors) seized the moment to call into question one of the foundations of software-based investing, Modern Portfolio Theory. Given the doubts raised by a small but vocal chorus, it?s worth spending some time to ask if we need a new investing paradigm and if so, what it should be. Answering that question helps show why MPT still is the best investment methodology out there; it enables the automated, low-cost investment management offered by a new wave of Internet startups including Wealthfront (which I advise), Personal Capital, Future Advisor and SigFig.

Source: http://feedproxy.google.com/~r/Techcrunch/~3/JXaGPWUiisQ/

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