Julie Cohen has explored this theme in a number of articles.  These are:

• Julie E. Cohen, “Copyright and the Jurisprudence of Self-Help” 13 Berkeley Technology Law Journal, 1089 (1998);

 
• Julie, Cohen, “Lochner in Cyberspace: The New Economic Orthodoxy of ‘Rights Management’” 97 Michigan Law Review, 462 (1998); and

 
• Julie Cohen, "Some Reflections on Copyright Management Systems and Laws Designed to Protect Them," 12 Berkeley Technology Law Journal 161 (1997).