Concentration in Product Markets
收藏NBER2021-05-01 更新2025-01-04 收录
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https://www.nber.org/papers/w28745
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资源简介：
This paper measures concentration in narrowly defined product markets for a broad range of consumer goods and services in the U.S. from 1994 to 2019. We document two main empirical facts. First, concentration levels are high. 44.4% of the markets in our sample are highly concentrated as defined by U
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美国国家经济研究局创建时间：
2021-05-01
