Price Indexes for Microsoft

Jaison R. Abel, Ernst R. Berndt, and Alan G. White, Hard-to-Measure Goods and Services: Essays in Honor of Zvi Griliches (University of Chicago Press, 2007), chap. 9, https://www.nber.org/books-and-chapters/hard-measure-goods-and-services-essays-honor-zvi-griliches/price-indexes-microsoft.