The Rise of Market Power and the Macroeconomic Implications*

Quarterly Journal of Economics - Tập 135 Số 2 - Trang 561-644 - 2020
Jan De Loecker1, Jan Eeckhout2, Gabriel Unger3
1Katholieke Universiteit Leuven, National Bureau of Economic Research, and Centre for Economic Policy Research
2Universitat Pompeu Fabra Barcelona (Catalan Institution for Research and Advanced Studies, Graduate School of Economics)
3Harvard University

Tóm tắt

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.

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Quarterly Journal of Economics

Tập 135 Số 2

561-644

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