http://www.brookings.edu/research/reports2/2015/01/22-global-metro-monitor?hs_u=tomficklin@aol.com&utm_campaign=Metropolitan+Policy+Program&utm_source=hs_email&utm_medium=email&utm_content=15706535&_hsenc=p2ANqtz-8I9an8eg2_R9eLcXEvpCV1iRnJ0MvfTcQBBCZqGQ6cq9LGmT7u4IJE2Q2qn4KYx5geCe3oj7KyTSAi80WnNnhTVmoPcg&_hsmi=15706535