The Anatomy of Aggregate Productivity

Federico Huneeus, Yasutaka Koike-Mori and Antonio Martner

Working Papers Central Bank of Chile from Central Bank of Chile

Abstract: We present an aggregation result that structurally dissects the drivers of aggregate productivity, i.e., technology and the reallocation of resources, across arbitrary parts of the economy using sufficient statistics that can be measured with standard datasets. Besides the typical statistics of factor shares and distortion changes, consumption share changes emerge as a new sufficient statistics that capture an income redistribution channel between households. This channel reflects how changes in households’ income propagate upstream, influencing the allocation of resources across firms. We apply our results to revisit Chile’s aggregate productivity stagnation since 2010, leveraging two decades of administrative firm-to-firm data. This stagnation is almost entirely driven by the reallocation of resources. Exports of mining, domestic output of manufacturing and retail, and incumbent large firms shape the bulk of this stagnation.

Date: 2025-07
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