Universities UK's latest UK-wide study of The impact of universities on the UK economy analyses: university income; employment profile of universities; university expenditure and its knock-on impact on the economy; additional impact of international students and visitors; the higher education contribution to UK gross domestic product; and the sector’s effectiveness in generating economic impact.
http://www.universitiesuk.ac.uk/Newsroom/Media-Releases/Pages/Universities%E2%80%99valuetoeconomyincreases%E2%80%93UUKreport.aspx