ComRes poll : Investment boost . 22 % of the public said the Games have had a positive impact on the local economy . In the second - quarter , the economy grew by 0.6 % , double the rate of expansion for the first three quarters of 2013 . Mayor of London Boris Johnson said that the success of the Olympics and Paralympics has encouraged investment .
ComRes poll : 22 % of the public said the Games have had a positive impact on the local economy . In the second - quarter , the economy grew by 0.6 % , double the rate of expansion for the first three quarters of 2013 . Mayor of London Boris Johnson said that the success of the Olympics and Paralympics has encouraged investment .