Key Points

• Revenue models are the means by which the publisher will receive revenue for content sold.  Important dimensions of the revenue model include:
  
• Direct or indirect payment (indirect could be advertising supported, or sponsored)
• Time distribution of payments (one-time or recurring payment)
• Duration of access (one time use, time limited, unlimited duration)
  
• Amount of content made available (article, chapter, book, collection, etc.)
  
• Usage model (single user, multi-user, multi-seat, etc.)
• A clear view of the anticipated economics and key drivers are needed differentiate and select among various revenue models.
  
• Direct sale model
• List price
• Discount
• Unit volume
• Ad model
• Price per click (exposure, etc.)
  
• Discount/share
• Projected volumes (click-throughs, visits, etc.)