While the Occupy movement is giving Wall St and Davos some food for thought, data is ahead of the game as it so often is.
See this panel from one of my current guest lectures.
It uses insight from the Brookings Institute about cities on the up. And be aware, the planet has recently moved into a 50% urban state...
If you are both keen and lazy, here is the live link to the Brookings work:- http://www.brookings.edu/info/globalmm/globalmetromonitormap.aspx