(Illustration: Some people buy multiple pieces of the same clothing style. I tend to buy multiples of the same toys (or brands), paired with a deep-seated quirk of not wanting to be like everyone else, like this niche notebook Field Notes that I’ve been using for over a decade. I was originally drawn to its woodgrain cover, which has since been discontinued, but thankfully my hoarding habit means I have some stocked up. The advantages of using the same style through deliberate design decisions are many, perhaps including the transformation into excess returns for our clients a decade later (wishful thinking). Photo taken in 2016 at a friend’s home in Boston. Image source: Ernest.)
✳️ The Design Decision of AUM Fees
Charging a percentage of AUM (Assets Under Management). Almost every wealth management firm uses this model, and most clients take it for granted. But a16z Perennial CIO Michel Del Buono said on the Sorcery Podcast that this isn’t just a pricing decision, it’s a design decision that influences everything else. Let’s practice decomposing it: