Network caches are the storage centers in the supply chain for content delivery---the digital equivalent of warehouses. Operated by access networks and other operators, they provide benefits to content publishers in the forms of bandwidth cost reduction, response time improvement, and handling...

This paper provides insights about when versioning is an optimal strategy for information goods. Our characterization of this class of goods is that variable costs are invariant with quality, including the special case of zero variable costs. Our analysis assumes a monopoly firm that has an...