Event
Research on national and local concentration, 2018 and 2023
Two NBER papers on concentration: one found national concentration rising while local concentration fell (1990 to 2014, business-location data); a later one, from the Economic Censuses, found local job concentration fell while local sales concentration rose (1992 to 2017).
- Dates
- 2018–2023
- Too Big to Fail20 scenes
- How are Research on national and local concentration, 2018 and 2023 and … connected?
Two NBER papers on concentration: one found national concentration rising while local concentration fell (1990 to 2014, business-location data); a later one, from the Economic Censuses, found local job concentration fell while local sales concentration rose (1992 to 2017).
Connections 2
involved
- National Bureau of Economic Research published the 2018 paper by Rossi-Hansberg, Sarte and Trachter Scholarship & press 1
- U.S. Census Bureau its Economic Censuses are the data of the 2023 paper by Autor, Patterson and Van Reenen Scholarship & press 2
Timeline 1 date
- 2018–2023 Research on national and local concentration, 2018 and 2023
Proof 2 sources
-
Diverging Trends in National and Local Concentration, NBER Working Paper 25066, National Bureau of Economic Research, Sep 2018.
Scholarship & press
we present evidence that the positive trend observed in national product-market concentration between 1990 and 2014 becomes a negative trend when we focus on measures of local concentration.
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Local and National Concentration Trends in Jobs and Sales: The Role of Structural Transformation, NBER Working Paper 31130, National Bureau of Economic Research, Apr 2023.
Scholarship & press
We document that the Herfindhahl index of local employment concentration, measured at the county-by-NAICS six-digit-industry cell level, fell between 1992 and 2017 even as local sales concentration rose.
Page history 2 changes
- Second revision of Too Big to Fail: the FTC's 1917 finding, the 1952 report's seven firms, the 1984 hearing record, and corrected cards for Spirit, beef, tickets, Google and the final verdict05663c47
- Revise Too Big to Fail after the skeptic's review: read to 2 November 2026, a verdict card that separates findings from shares, the 1929 fight with its scandal and the board's stand, and sources for every cardc819f2cb
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