Richard Florida writes about the new Brookings study, Redefining Global Cities. He speaks of a new typology of global cities drivinig the world economy.

"Globalization might make us feel small in a growing world, but the lessons of urbanization should remind us how much more powerful we can be when we get connected. Together, these 123 global cities power global competitiveness. They generate a third of global economic output, account for nearly two-thirds of all innovations (based on patents), and represent more than 80 percent of all venture-capital investment in high-tech startups, while housing just 13 percent of the world’s population. That said, globalization and global urbanization does bring substantial challenges that are rising today more than ever..."

Read the full article here.