Based around 11 Downing Street this is the virtual economy using computer models similar to those the chancellor and his advisers use to prepare the Budget and fine tune the economy. It has been brought up to date and expanded with a grant fro the Nuffield Foundation. On the fourth floor you can make changes in policy to see the effects on both the macroeconomy and the microeconomy. Other sections of the house lead to other areas to experiment.
http:ve.ifs.org.uk