Welcome to the Q&A Forum
Browse the forum for helpful insights and fresh discussions about all things SEO.
There's no way to generalize this, there are a million factors. I believe rankings these days are pretty query-specific. Is the search term Informational? Transactional? Navigational? If it's a competitive niche, how many of the competitors re penalized?
One disadvantage of aged domains these days is they may have low quality links and may get penalized. From that point of view new domains are better.
I've been wondering this myself, in order to figure out if it's worth spending time creating content.
I haven't seen any ranking - it would be interesting to do a deep analysis of which ones are ranking, and why. I might play around with that 
6/28/2013 As SEO and Social Media evolves into Content Marketing, agencies and companies are faced with the challenge of setting up effective processes for their content marketing efforts. From keyword research, to managing writers and the editing process, content marketing can be a complicated and extensive process, with lots of moving parts. Establishing an effective system to manage your content...