There are many different ways to deal with coordination problems, both public regulation and private arrangements. The overfishing problem isn't a hypothetical

There are many different ways to deal with coordination problems, both public regulation and private arrangements. The overfishing problem isn't a hypothetical example, it's a real problem that has caused problems all over the world. http://en.wikipedia.org/wiki/Overfishing#Instances_of_overfishing http://en.wikipedia.org/wiki/Overfishing#Instances_of_overfi... The problem is that even if 90% of the fishers in an area are responsible, the remaining 10% can ruin it for everyone. And no one has any incentive, other than their conscience, to cooperate. And that's why it's a tricky problem.