Pricing at the On-Ramp to the Internet: Price Indexes for ISPs during the 1990s

Greg Stranger and Shane Greenstein, Hard-to-Measure Goods and Services: Essays in Honor of Zvi Griliches (University of Chicago Press, 2007), chap. 7, https://www.nber.org/books-and-chapters/hard-measure-goods-and-services-essays-honor-zvi-griliches/pricing-ramp-internet-price-indexes-isps-during-1990s.