Ten men have ten farms. Each raises pigs. Their common market is the village around which they all live. The pig prices they will get from the villagers depend on three things:
1) The villagers' hunger.
2) The number of pigs raised.
3) Who sells his pigs first.
To eliminate the last factor, the ten pig men cooperate. They agree on a pig-selling period. To protect themselves further from each other, they agree that, for each pig he sells, each pig man shall put a certain fee in a common fund. At the end of the...