Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/309153 
Year of Publication: 
2024
Series/Report no.: 
AEI Economics Working Paper Series No. 2024-20
Publisher: 
American Enterprise Institute (AEI), Washington, DC
Abstract: 
Given the political and public interest in rising industry concentration in developed economies, researchers have been working on uncovering underlying mechanisms and implications. Various causes of concentration have been proposed, although rarely tested in a comprehensive model. We study five distinct phenomena and their association with industry concentration: 1) Industry regulation, 2) mergers, 3) information technology use, 4) imports, and 5) productivity. We find that greater concentration within an industry is related to higher productivity, more regulation, and more merger activity. On the other hand, it is lower with more imports and seemingly unrelated to the extent of information technology use. The most economically significant relationship is between concentration and industry productivity.
Subjects: 
Industry concentration
regulation
information technology
mergers
JEL: 
L11
L16
L51
Document Type: 
Working Paper

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