Returns to Scale, Productivity Measurement, and Trends in U.S. Manufacturing Misallocation

Sui-Jade Ho and Dimitrije Ruzic
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Dimitrije Ruzic: University of Michigan

No 119, 2018 Meeting Papers from Society for Economic Dynamics

Abstract: Aggregate productivity suffers when workers and machines are not matched with their most productive uses. This paper builds a model that features industry-specific markups, industry-specific returns to scale, and establishment-specific distortions, and uses it to measure the extent of this misallocation in the economy. Applying the model to restricted U.S. census microdata on the manufacturing sector suggests that misallocation declined by 13% between 1982 and 2007. The jointly estimated markup and returns to scale parameters vary substantially across industries. Furthermore, while the average markup has been relatively constant, the average returns to scale declined over this period. The finding of declining misallocation starkly contrasts the 29% increase implied by the widely used Hsieh & Klenow (2009) model, which assumes that all establishments charge the same markup and have constant returns to scale. Accounting for the variation in markups and returns to scale leads to the divergence of misallocation estimates in this paper from those implied by the Hsieh-Klenow model.

Date: 2018
New Economics Papers: this item is included in nep-eff, nep-sea and nep-tid
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Persistent link: https://EconPapers.repec.org/RePEc:red:sed018:119

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