I think the money for the solutions for global poverty is on Wall Street. Wall Street allocates capital. And we need to get capital to the ideas that are successful, whether it's microfinance, whether it's through financial literacy programs, Wall Street can be the engine that makes capital get to the people who need it.

All decisions originate in the brain. So if we can better understand what's happening in the brain when we make investment decisions, maybe one day we'll be able to make more accurate financial forecasts - for a stock or even the entire market.

Social standing and reptuation has always mattered, but now it 's happening on a global basis.

On a biological level, the brain registers money as something valuable - even a dollar bill which has no intrinsic value, it's just paper.

Money numbs your senses. People who touched paper money and then placed their hands in hot burning water didn't feel as much pain as those who hadn't touched money.

In essence, money gives us the calories we need to survive. Over time, we became aware that exchange and cooperation increase our chances for survival. Eventually we create tools to facilitate trade. One of these tools is called money.

We are privileged that the dollar is the "currency of last resort" and the most important currency in the world. Global commodities are priced in dollars. Central banks in other countries hold great quantities of dollars. The dollar was the safe harbor, the port in the storm during the credit crisis.