Performance Perspectives Blog

Thoughts on performance measurement from David Spaulding and other members of our team.

Spreadsheets for performance: caution!

Spreadsheets are powerful tools. In business, they've become indispensable. But, they come with huge risks. Let's briefly touch on a few. Systems on spreadsheets ... not usually a good idea Around 30 years ago I took over responsibility for a NYC-based asset manager's...

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Sources of errors in performance attribution

The need to acknowledge the existence of errors in performance attribution I found the above graphic today on Facebook, from the "I Love Mathematics" group. If you haven't figured it out, yet, I love mathematics. It occurred to me that a similar graphic could be...

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The mysteries of excess returns

You no doubt have run into cases where returns don't seem to make sense. Well, the same thing can occur with excess returns. What's wrong with this table; specifically, the excess return? Last week I was contacted by one of our GIPS verification clients, regarding a...

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