Tug of Cooperation

I used to imagine that when two people are trying to act in their own self-interest, the result is a kind of tug-of-war: In other words, there’s a loser and there’s a winner, and the winner is the one who pulls harder to get their own way. These days, however, I find it helpful to … More Tug of Cooperation

Spontaneous Inequality

A fun problem making the mathematical rounds: if you give everybody some number of dollars (say you give 45 people $45 each), and at every tick of the clock everyone with money chooses one random person $1, how will the money eventually end up distributed? You might think it’ll stay approximately equal—”approximately” only because of … More Spontaneous Inequality