“Hand To Mouth” and the rationality of the poor
Here’s one thing that you do as a mathematician a lot: change the assumptions and see how wildly the conclusions change. You usually start with lots of assumptions, and then see how things change when they are taken away one by one: what if the ring isn’t commutative? What if it doesn’t have a “1”?
Of course, it’s easy enough to believe that we can no longer prove the same theorems when we don’t start with the same kinds of mathematical set-ups. But this kind of thing can also apply to non-mathematical scenarios as well.
So, for example, I’ve long thought that the “marshmallow” experiment is nearly universally misunderstood: kids wait for the marshmallow for exactly as long as it makes sense to them to wait. If they’ve been brought up in an environment where delayed gratification pays off, and where the rules don’t change in the meantime, and where they…
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