Robert_Charlton - 12:42 am on Nov 8, 2012 (gmt 0)
My observation is from a blog on a ecommerce site which gets desired ranking for some keywords, but less for others.
Are you talking about the same word or phrase under two different circumstances... or are you talking about two different phrases?
If the latter, have you looked at how competitive the different phrases are?
Also, is it possible that the information articles are getting more inbound links, perhaps from better sources, than the money articles are getting?