Thanks. I downloaded some of your articles – interesting reads.

I would like to suggest a couple of things for consideration.

1. I would add transaction based revenue as one or your revenue categories – look at what Second Life is doing by letting people by and sell Linden dollars or eBay may be another example.

2. I would also add digital merchandise (eg, virtual clothing etc) to your list of things people are selling to drive revenue streams.

Also on the motivation for contribution – you focus on revenue share – have you seen any research that compares straight revenue shares vs. contest based incentives. Straight rev share meaning contributor gets some percentage of ad dollars earned. In contest based incentive, their page views might earn them virtual tickets in a lottery for a large amount. It would be interesting to see how this works for the segment that likes to contribute, especially to see if they are more risk tolerant than the observers.

Best,

Alex

Really intresting article.

Me and Kevin are working in similar field, developing User contribution measurement models.

You may find some of our articles intresting
http://drvidy.wordpress.com/my-publications/

Regards
Vidy

Thanks. That looks like a great resource. should be a good place to put links to resources. I will have to spend some time touring the resources you have identified.

Best

Alex