We consider the lack of consensus about an appropriate theoretical framework linking sub-indicators as a defining characteristic of composite indicators. This intrinsic feature implies uncertainties about the appropriate normalisation and aggregation of the raw data. The two are related: index...

In this presentation I view a Malmquist productivity index as a theoretical index with desirable properties. I then discuss the properties of three approximations to it: an empirical Malmquist index, and Fisher and Tornqvist indexes. Next I discuss the decomposition properties of the theoretical...