Summary: "Economic failures cause us serious problems. We need to build simulations of the economy at a much more fine-grained level that take advantage of all the data that computer technologies and the Internet provide us with. "<p>I would whole heartily agree with this vision however the reason I think this doesnt happen is political. Currently there is always debate about the economic result of policy change (eg. change in minimum wage). If economic outcomes were "known" it would remove the political power of economists.