In this article we propose a new methodology for computing the aggregate productivity of an industry, its variations … measure is incoherent with the disaggregate one (the two are computed with different methodologies), is subject to aggregation … heterogeneity among firms is high. We propose instead a geometric approach where aggregate productivity can be measured directly on …

This book develops the theory of productivity measurement using the empirical index number approach. The theory uses … agents, and perfect foresight. The theory can be applied to all the common levels of aggregation (micro, meso, and macro … - Aggregate Output and Simple Labour Productivity Indices -- Chapter 7: The Top-Down Approach 2 - Aggregate Total Factor …