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luis arrieta

luis arrieta

california

106 posts

later is now (rediscovering Elliott Smith)

i make my wife and kids listen to Between The Bars

wild randomness

an easy to visualize example of wild randomness

samuel johnson on parental responsibility

on our moral obligation to ensure our children's well-being.

my grandma and Oracle ($ORCL)

what my grandma and Oracle have in common, and why I'm buying long-dated puts on one of them.

when you get too close, you only hear the noise

In the presence of randomness, high-frequency observation obscures signal. Why Djokovic's 55% point wins reveal less than his 88% match record.

ethics in opaque worlds (or the mba nerd and consequentialism)

that fact does not make moral reasoning impossible. It changes its character. It means we should be cautious about moral frameworks that depend on precise enumeration of outcomes, and more respectful of constraints that have survived because they may protect society from certain failure modes.

the friction problem

if you don’t inherit friction from the world and are traveling through Extremistan, it may be wise to design your own friction: embrace the beauty of logistics, accept multiple stops along the way, say “no” when in doubt, study the classics.

leverage is TNT

leverage exists, but is always paired with constraints. Physical limits (think size or speed), cultural friction, or some other factor that prevents scaling out of control and keep the thing going (i.e., alive, not extinct, not permanently ruined)... but in our wonderful world of finance...

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I publish slowly and irregularly