Introduction to "Hard-to-Measure Goods and Services: Essays in Honor of Zvi Griliches"

Ernst R. Berndt and Charles R. Hulten, Hard-to-Measure Goods and Services: Essays in Honor of Zvi Griliches (University of Chicago Press, 2007), https://www.nber.org/books-and-chapters/hard-measure-goods-and-services-essays-honor-zvi-griliches/introduction-hard-measure-goods-and-services-essays-honor-zvi-griliches.