Shavell, Steven2015-01-161993Steven Shavell, Economic Analysis of Threats and Their Illegality: Blackmail, Extortion, and Robbery, 141 U. Pa. L. Rev. 1877 (1993).0041-9907http://nrs.harvard.edu/urn-3:HUL.InstRepos:13632941en-USEconomic Analysis of Threats and Their Illegality: Blackmail, Extortion, and RobberyJournal Article