I find this argument very weak, as it is not the amount of free-flowing money that causes increased job supply — that is simply money left over — and there is no reason to hire more workers when the profits are so large. You can argue that for small businesses that want to expand, but giants like GE don't have much more room to expand unless they're planning on discovering alien species.
What does cause more workers to get hired is higher demand for the products supplied.
This leftover money can be used to advertise, but this only creates an artificial demand, which doesn't last long. The problem is corporate taxes — a corporate tax is a tax on the "taxable income," which means plenty can be written off. What we need to instate instead is a capital gains tax, a tax on the net total of all capital gains. Right now, the highest long-term capital gains tax is 15 percent. This is the same tax rate the lower middle class pays on its income tax.
So why are the super rich paying the same tax rate as the lower middle class? Let's start looking at a tax system based around the ability to pay, not simply a percentage, and stop the hoarding of goods in the top 1 percent of the nation. They have worked hard for what they have, but at some point, a third mansion or houseboat is not imperative to a person's life, regardless of how hard he or she has worked. We are in this nation together; we are not here to hoard but to help. Why do the lower classes seem to be the only ones helping?