-- What technological, market, and legal interactions have created the current state of DRM-protected music?
-- What security, autonomy, and other concerns make interoperability more or less desirable in the DRM context?
-- How can we assess competing approaches to interoperability?
Although our economic analysis is inconclusive, for policy reasons we find DRM interoperability desirable; a blended approach combining private-sector efforts with limited government involvement, such as through consumer protection or competition law, is optimal.
Available for download at: http://papers.ssrn.com/sol3/papers.cfm?abstract_id=1033231