Productivity seems an obvious concept: output per unit of input. Yet, when contextualised within alternative views of … and discuss some foundational concepts for measuring productivity from a classical perspective, as opposed to a more … traditional standpoint. A key distinction is made between measuring productivity from the expenditure (or physical quantities …

is highly disaggregated at the industry level with an input-output network structure. Measured productivity in the model …-specific, uncorrelated across industries. The bulk of the aggregate fluctuations, including those in aggregate measured productivity, are … data. Our second finding is that about half of the decrease in the cyclicality of measured productivity in the U.S. after …