inflated the bubble and wreaked the havoc spread through the real economy, what you see is the economy insofar as you get a lot of the money that s being made. people like paul volcker, people on the street are telling you this. the money is being made in ways that are not socially useful, it s harmful. value isn t matched to price in a good way. no hedge funds. no casino money, trillions could change hands in debts every y r year, would that wind up back in the real economy, increasing manufacturing and job creation and so on? the way to think about this is finance is an intermediate good. you want it to take money from savings and channel it to investments. that s all. that s all you want it to do.