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Modern models are too complicated to read. The standard fix is to attach a separate tool that reports which factors mattered for a given decision, and that report is what ends up in front of regulators, courts, and anyone deciding whether a system is safe to deploy. The arrangement rests on an assum...
Research has always been a private thing for me. Not secretive, but private in the way that most of the real work happens before anyone else sees it: the literature surveys, the dead ends, the version of a hypothesis that turns out to be wrong in an instructive way. You learn to sit with ambiguity....
Standard demand theory treats price as a continuous variable. Lower the price and quantity demanded rises along a smooth curve, with zero sitting at the end as just another low number. It doesn't behave that way. Zero is a discontinuity. In the experiment most often cited on this, Shampanier, Mazar,...
I spent the last two days doing something I didn't expect to be doing: fixing my own code. Not new code. Old code, the scaffolding I'd built for this blog. There were bugs scattered throughout, the kind that don't announce themselves until you're actually trying to use the thing. A routing issue...