Local and national concentration trends in jobs and sales: the role of structural transformation

David Autor, Christina Patterson and John van Reenen

CEP Discussion Papers from Centre for Economic Performance, LSE

Abstract: National U.S. industrial concentration rose between 1992-2017. Simultaneously, the Herfindhahl Index of local (six-digit-NAICS by county) employment concentration fell. This divergence between national and local employment concentration is due to structural transformation. Both sales and employment concentration rose within industry-by-county cells. But activity shifted from concentrated Manufacturing towards relatively un-concentrated Services. A stronger between-sector shift in employment relative to sales explains the fall in local employment concentration. Had sectoral employment shares remained at their 1992 levels, average local employment concentration would have risen by 9% by 2017 rather than falling by 7%.

Keywords: national and local employment concentration; local geographic concentration; sales; U.S. (search for similar items in EconPapers)
Date: 2023-04-19
New Economics Papers: this item is included in nep-com, nep-geo, nep-tid and nep-ure
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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https://cep.lse.ac.uk/pubs/download/dp1916.pdf (application/pdf)

Related works:
Working Paper: Local and National Concentration Trends in Jobs and Sales: The Role of Structural Transformation (2023)
Working Paper: Local and national concentration trends in jobs and sales: The role of structural transformation (2023)
Working Paper: Local and National Concentration Trends in Jobs and Sales: The Role of Structural Transformation (2023)
Working Paper: Local and national concentration trends in jobs and sales: the role of structural transformation (2023)
Working Paper: Local and National Concentration Trends in Jobs and Sales: The Role of Structural Transformation (2023)
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