From the article: "The first response concerned Deloitte’s ongoing research into open data in the United Kingdom [PDF], conducted in
collaboration with the Open Data Institute.
Harvey Lewis, one of the primary investigators for the research project,
recently wrote about some of Deloitte’s preliminary findings at the Open
Government Partnership’s blog in a post on “open growth.” To date,
Deloitte has not found the quantitative evidence the team needs to definitely
demonstrate the economic value of open data. That said, the team found much of
interest in the space." Read more