Contents
Key Takeaways 1
Introduction. 3
The Great Concentration Panic. 3
Census Bureau Concentration Data. 4
Concentration in 2022. 6
Changes in Concentration. 6
Industries With High Increases in Concentration From 2017 to 2022. 9
Advanced Technology Sectors 11
Incorporating Trade Data Into the Analysis 12
Concentration in 2022 Is Lower When Imports and Exports Are Incorporated. 13
Concentration Decreases Over Time When Imports and Exports Are Incorporated. 14
The Negative Correlation Between C4 Concentration Ratio and Changes in Percentage-Point Is More Pronounced Including Net Imports 15
Highly Concentrated Industries When Net Imports Are Considered. 15
How Should Antitrust Move Forward? 16
Conclusion. 17
Endnotes 18
Populist antitrust reformers, in a push to overhaul decades of allegedly flagging antitrust enforcement in the United States, have staked much of their position on…