ely neutral approach to network interconnection. Office of Plans and Policy Working Paper No. 34, Federal Com- munications Commission, http://www.fcc.gov/Bureaus/OPP/working_papers/oppwp34. Atlanta Journal Constitution 2005. "Battered EarthLink shifts gears: Phone services play role in makeover," 24 July. Averch, Harvey and Leland L. Johnson 1962. "Behavior of the firm under regulatory con- straint," American Economic Review 52: 1052-69. Ayres, Ian 1988. Vertical integration and overbuying: An analysis of foreclosure via raised rivals' costs. Working Paper No. 8803, American Bar Foundation. B2Day 2006. "Powell warns net neutrologists not to be naive," 3 April, http:business2.blogs. com/business2blog/2006/04/powell_warn_ne.html. Bain, Joe S. 1956. Barriers to new competition, their character and consequences in manufac- turing industries. Cambridge, MA: Harvard University Press. Baker, Jonathan B. 1989. "Recent developments in economics that challenge Chicago school views," Antitrust Law Journal 58: 645-56. Bar, François, Stephen S. Cohen, Peter Cowhey, Bradford J. DeLong, Michael Kleeman, and John Zysman 2000. "Access and innovation policy for the third-generation Internet," Telecommunications Policy 24: 489-518. Barabási, Alberto-Laszlo 2002. Linked: The new science of networks. Cambridge, MA: Perseus Books Group. Barnett, Stephen R. 1972. "State, federal, and local regulation of cable television," Notre Dame Law Review 47: 685-814. Barro, Robert J. and Paul M. Romer 1987. "Ski-lift pricing, with applications to labor and other markets," American Economic Review 77: 875-90. 1991. "Ski-lift pricing, with applications to labor and other markets: Reply," Amer- ican Economic Review 81: 378-80. Bator, Paul M., Daniel J. Meltzer, Paul J. Mishkin, and David L. Shapiro (eds.) 1988. Hart and Wechsler's The federal courts and the federal system, 3d ed. Westbury, NY: Foundation Press. Bauer, Joseph P. 2006. "Refusals to deal with competitors by owners of patents and copy- rights: Reflections on the Image Technical and Xero