An exhaustive 2009 roundup by researchers at Harvard’s Berkman Center for Internet and Society found the 38 multi-country economic studies of broadband regulation and investment they looked at to be hopelessly split between positive, negative, and inconclusive results. The Berkman researchers also argued that we shouldn’t pay too much heed to the economists because (1) a lot of the studies were sponsored by broadband incumbents, (2) there simply isn’t enough data yet for the empirical surveys to be trusted, and (3) different theoretical models of broadband investment deliver dramatically different results.

via No One Actually Knows How to Regulate the Internet.