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Fair Division of Black-Hole Negentropy: an Introduction to Cooperative Game Theory — LessWrong

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Non-cooperative game theory, as exemplified by the Prisoner’s Dilemma and commonly referred to by just "game theory", is well known in this community. But cooperative game theory seems to be much less well known. Personally, I had barely heard of it until a few weeks ago. Here’s my attempt to give a taste of what cooperative game theory is about, so you can decide whether it might be worth your while to learn more about it. The example I’ll use is the fair division of black-hole negentropy. It seems likely that for an advanced civilization, the main constraining resource in the universe is negentropy. Every useful activity increases entropy, and since entropy of the universe as a whole never decreases, the excess entropy produced by civilization has to be dumped somewhere. A black hole is the only physical system we know whose entropy grows quadratically with its mass, which makes it ideal as an entropy dump. (See http://weidai.com/black-holes.txt where I go into a bit more detail abo

x Fair Division of Black-Hole Negentropy: an Introduction to Cooperative Game Theory — LessWrong Fairness Game Theory Personal Blog 62 Fair Division of Black-Hole Negentropy: an Introduction to Cooperative Game Theory by Wei Dai 16th Jul 2009 3 min read 37 62 Non-cooperative game theory, as exemplified by the Prisoner’s Dilemma and commonly referred to by just "game theory", is well known in this community. But cooperative game theory seems to be much less well known. Personally, I had barely heard of it until a few weeks ago. Here’s my attempt to give a taste of what cooperative game theory i

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