Usually when people talk about the trickle-down theory, it has to do with economics. The richer people at the top of a society become, supposedly, the more wealth there is to trickle down to the people below. It never really works out that way, of course, because if there are 2 things people at the top can't stand, they have to be leakage and overflow.
Kurt Vonnegut Jr., Hocus Pocus
economics, philosophy