The Rise of Market Power and the Macroeconomic Implications*

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ID: 292026
2020
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Abstract
Abstract We document the evolution of market power based on firm-level data for the U.S. economy since 1955. We measure both markups and profitability. In 1980, aggregate markups start to rise from 21% above marginal cost to 61% now. The increase is driven mainly by the upper tail of the markup distribution: the upper percentiles have increased sharply. Quite strikingly, the median is unchanged. In addition to the fattening upper tail of the markup distribution, there is reallocation of market share from low- to high-markup firms. This rise occurs mostly within industry. We also find an increase in the average profit rate from 1% to 8%. Although there is also an increase in overhead costs, the markup increase is in excess of overhead. We discuss the macroeconomic implications of an increase in average market power, which can account for a number of secular trends in the past four decades, most notably the declining labor and capital shares as well as the decrease in labor market dynamism.
Reference Key
openalex_W2964383261 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Jan De Loecker, Jan Eeckhout, Gabriel Unger
Journal the quarterly journal of economics
Year 2020
DOI
10.1093/qje/qjz041
URL
https://academic.oup.com/qje/article-pdf/135/2/561/32995291/qjz041.pdf
Keywords Keywords not found

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