S&P: The rich are too rich and it's not going to trickle down

[AggregateDemand]

Unfortunately, redistribution does little to solve the problem. The middle class need to earn more, which is the moderate Republican argument for minimum wage increases (Romney).

How does the US increase wealth amongst the middle class without discouraging job creation and investment?

The US still hasn't solved this problem, and no one in Washington seems interested.

[AggregateDemand]

By decreasing the wealth of the rich, which is discouraging job creation and investment.

True, sadly. Then during the Great Depression to Stagflation era, we decided to tax away middle class wealth, and turn it into middle class entitlements, like military, NASA, infrastructure, and education. That went to hell in short order. None of the money goes to the working middle class anymore, which was somewhat predictable from the outset.