1. California Public Utilities Commission, In the Matter of Alternative Regulatory Frameworks for Local Exchange Carriers, D.94-09-065, September 15, 1994.
2. Gregory M. Duncan and Donald M. Perry, “IntraLATA Toll Demand Modeling: A Dynamic Analysis of Revenue and Usage Data,” Information Economics and Policy, Vol. 6, No. 2, 1994, pp. 163–178.
3. Jerry Hausman, Timothy Tardiff, and Alexander Belinfante, “The Effects of the Breakup of AT&T on Telephone Penetration in the United States,” American Economic Review, Vol. 83, No. 2, 1993, pp. 178–184.
4. Lester D. Taylor, Telecommunications Demand: A Survey and Critique, Cambridge: Ballinger, 1980.
5. Joseph P. Gatto, Jerry Langin-Hooper, Paul B. Robinson, and Holly Tyan, “Interstate Switched Access Demand Analysis,” Information Economics and Policy, Vol. 3, No. 4, 1988, pp. 333–358.