The trickle-down theory of economics has it that it's good for rich people to get even richer because some of their wealth will trickle own, through their no doubt lavish spending, upon those who stand below them on the economic ladder. Notice that the metaphor is not that of a gushing waterfall but of a leaking tap: even the most optimistic endorsers of this concept do not picture very much real flow, as their language reveals pg. 102.
The trickle-down theory of economics suggests that allowing the wealthy to accumulate more wealth will ultimately benefit those less affluent, as the rich will spend their money, causing some of it to "trickle down" to lower economic classes. However, the metaphor used is telling; it likens the process not to a robust waterfall but rather to a leaking tap. This indicates a minimal expectation of wealth distribution, which implies that the...