Potter Stewart and risk measurement

Potter Stewart and risk measurement

When Herb Chain (of Deloitte), Matt Forstenhausler (of E&Y), and I used to regularly teach AIMR-PPS(R) and then GIPS(R) courses (first for AIMR, then for the CFA Institute), one thing we could be sure of: Herb would reference former U.S. Supreme Court...
Beta … what is 1.0?

Beta … what is 1.0?

Beta is a risk statistic which tells us essentially how our portfolio behaves relative to the market. It is a derivative of Modern Portfolio Theory, and more specifically, the Capital Asset Pricing Model (CAPM). The purpose of this post isn’t to address whether...
Challenges with predicting the future

Challenges with predicting the future

You may have heard that at last week’s Masters Golf Tournament in Augusta, Georgia, young (not quite 22 years of age) Rory McIlroy was leading by four strokes after the third round, with just Sunday to play. The golf pundits expressed great confidence that Rory...

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