There is little consistent evidence of associations between price, impact factor and number of pages. Data relating to some publishers for some subject areas show significant correlations, most frequently between price and number of pages. There are also some significant associations between price and price per page, and between price and impact factor, but this is not widespread, and can generally be attributed to a small number of titles with exceptional pricing....
Also see the Oxford press release, which emphasizes the results for Oxford journals.
Posted by
Peter Suber at 4/17/2007 12:01:00 PM.
The open access movement:
Putting peer-reviewed scientific and scholarly literature
on the internet. Making it available free of charge and
free of most copyright and licensing restrictions.
Removing the barriers to serious research.
I recommend the OA tracking project (OATP) as the best way to stay on top of new OA developments. You can read the OATP feed on a blog-like web page or subscribe to it by RSS, email, or Twitter. You can also help build the feed by tagging new developments you encounter.