The supremely wealthy have no need to pay for your services. There's nothing they really need, that they would pay for. They just hang a little bit of money to lure in more.

The mildly wealthy are losing their money to the surpremely wealthy, but think you're the problem. They won't pay you for services unless they absolutely have to.

The less-than-wealthy have nothing to pay you with.

Higher taxes for the supremely wealthy and a different tax structure modified the incentives of the wealthy, and are what got the country out of the depression. Essentially, pay the government much extra, if you aren't paying people. Doesn't ultimately affect the owners of oil, coal, steel, and other incredibly basic commodities. All money flows right back to them, since there's a guaranteed need for these things, by everybody.

But in the interim, either they were paying people more, or the government was taxing these supremely wealthy. And for this brief period where such funds were not in their coffers, those taxes were invested in public works. So the money was paid to people such as in the photo, who are then customers, and the money continues to circulate.

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Money spent does not go in the garbage.

Money hoarded, however, is effectively pulled out of circulation.

And for the lot who like to bicker on this last point, saying the wealthy add money when they "invest": it's like using a minnow to catch a trout. You wouldn't say you're adding fish to the water, when you're simply using bait to retrieve more.

When large companies invest in an area, they only improve the area for a moment, if at all, during some construction phase. Because of course, the whole purpose of their investment is to draw more money toward themselves. Over time huge companies are a drain. The walmarts, the McDonald's, and forth, syphon money out of regions (some faster than others), and you're left with poor areas.