They could say I won't lower my prices if you don't lower your prices, and they could put this contract in with the pricy lawyer, who's taking a day off from the divorce court, and that would secure that they wouldn't lower prices on each other.

可以协定好你不降价我就不降,然后可以找个刚处理完离婚纠纷的,著名律师来作见证人,那样他们就放心对方不会打价格战了

耶鲁公开课 - 博弈论课程节选