[Wikimedia-l] Any studies on economic impact of community-produced open data?

[???]

On 04/06/2012 13:57, David Gerard wrote:
> On 4 June 2012 11:23, ???<wiki-list at phizz.demon.co.uk>  wrote:
>
>> One would, I think need to establish that the work was being used for
>> educational purposes that 'matter' educationally, and those that had read
>> the material were better as a result.
>
>
> AIUI, weekdays office hours are our peak access period, and Wikipedia
> generally isn't blocked in offices the way Facebook, etc. often are.
> This suggests it's good for *something* economically.
>
>

With access across 24 time zones how do you pick out weekday office 
hours, as opposed to evening access?