Hardin, Garrett 1968. "The tragedy of commons," Science 162: 1243-8. Harris, Milton and Artur Raviv 1981. "A theory of monopoly pricing schemes with demand uncertainty," American Economic Review 71: 347-65. Bibliography Hart, Oliver and Jean Tirole 1990. "Vertical integration and market foreclosure," Brookings Papers on Economic Activity: Microeconomics 1990: 205-86. Hatfield, Dale N. 2000. "Preface," CommLaw Conspectus 8: 1-4. Hausman, Jerry A. 1995. "Competition in long-distance and telecommunications equipment markets: Effects of the MFJ," Managerial and Decision Economics 16: 365-83. 1997. "Valuing the effect of regulation on new services in telecommunications," Brookings Papers on Economic Activity: Microeconomics 28: 1-54. Hausman, Jerry A. and J. Gregory Sidak 1999. "A consumer-welfare approach to the manda- tory unbundling of telecommunications networks," Yale Law Journal 109: 417-505. 2005. "Did mandatory unbundling achieve its purpose? Empirical evidence from five countries," Journal of Competition Law and Economics 1: 173-245. Hausman, Jerry A., J. Gregory Sidak, and Hal J. Singer 2001. "Residential demand for broadband telecommunications and consumer access to unaffiliated Internet content providers," Yale Journal on Regulation 18: 129-73. Hay, George A. 1973. "An economic analysis of vertical integration," Industrial Organization Review 1: 188-98. 2005. "Trinko: Going all the way," Antitrust Bulletin 50: 527-48. Hayek, Freidrich A. 1989. The fatal conceit: The errors of socialism, William W. Bartley (ed.). Chicago: University of Chicago Press. Hazlett, Thomas W. 1986. "Private monopoly and the public interest: An economic analysis of the cable television franchise," University of Pennsylvania Law Review 134: 1335-410. 1990. "Duopolistic competition in cable television: Implications for public policy," Yale Journal on Regulation 7: 65-120. 2006. "Rivalrous telecommunications networks with and without mandatory sharing," Federal Communications Law Journal 58: 477-510. Hazlett, Thomas W. and Matthew L. 