London has caught the Olympic bug. Sceptics have been won over by the opening ceremony, the quiet city centre and Team GB winning gold medals. But with many tourists staying away, Daniel Garrahan reports on why the feel good factor is unlikely to result in a boost for the economy.

For more in depth FT coverage of the 2012 Olympic Games in London go to: http://www.ft.com/intl/london-2012-olympics