They are not so hard to maintain when everyone acts rationally. You don't need o...

		danieltillett on Jan 19, 2019 \| parent \| context \| favorite \| on: Costco opening a $440M chicken farm to escape Amer... They are not so hard to maintain when everyone acts rationally. You don't need overt collusion as long as everyone acts in a consistent manner and doesn't try to compete.