Larissa Postell
Marketo.com has some great info on Content Marketing. Here are some links
- Paying Tribute to the King: Is Content Creation Worth the Effort? – Marketo.com
- The Definitive Guide to Engaging Content Marketing – Marketo.com
- Demand Generation & Content Marketing Strategy Guide – Marketo.com
- marketo.com/cheat-sheets/content-marketing/
The Content Marketing Institute also has some good info.
This report that budget allocation is 50% on creation of content, 25% on distribution and 25% on promotion.
Here's some decent, but outdated data... but it should give you some things to think about..

Hope this helps.