The paper describes the background for my original "hedonics" paper (Griliches 1961) and discusses some of the issues raised by the subsequent literature on this range of topics. It goes on to consider some of the implications of this work for the measurement of capital services and connects it...

This review of data problems in econometrics has been prepared for the Handbook of Econometrics (Vol. 3, Chap. 25, forthcoming). It starts with a review of the ambivalent relationship between data and econometricians, emphasizing the largely second-hand nature of economic data and the...