WSJ.com - The Numbers Guy
"Three economists get into a cab. They're each getting off at different places along the route. How should they split the bill?"
I find this kind of thing way too interesting... And brings to mind a question I've had for a while about minizing walking in the NYC subway system: If you enter a station at the end of the platform and are travelling to an unfamiliar destination where the exit could be at either end of the platform or in the middle of the platform, where should you wait for your train so as to minimize the distnace you'll have to walk?
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