The Rise and Fall of U.S. Farm Productivity Growth, 1910–2007

Julian Alston, Matthew A. Andersen and Philip Pardey

No 200927, Staff Papers from University of Minnesota, Department of Applied Economics

Abstract: Some studies have reported a slowdown in U.S. farm productivity growth, but the prevalent view among economists is to reject or downplay the slowdown hypothesis, implying that the rates of productivity growth experienced over the past half century can be projected forward. We set out to resolve this issue, which matters both for understanding the past and anticipating the future. Using newly compiled multifactor and partial-factor productivity estimates, developed for the purpose, we examine changes in the pattern of U.S. agricultural productivity growth over the past century. We detect sizable and significant slowdowns in the rate of productivity growth. Across the 48 contiguous states for which we have very detailed data for 1949–2007, U.S. multifactor productivity (MFP) growth averaged just 1.18 percent per year during 1990–2007 compared with 2.02 percent per year for the period 1949–1990. MFP in 44 of the 48 states has been growing at a statistically slower rate since 1990. Using a longer-run national series, since 1990 productivity growth has slowed compared with its longer-run growth rate, which averaged 1.52 percent per year for the entire period, 1910–2007. More subtly, the historically rapid rates of MFP growth during the 1960s, 1970s and 1980s can be seen as an aberration relative to the long-run trend. A cubic time-trend model fits the data very well, with an inflection around 1962. We speculate that a wave of technological progress through the middle of the twentieth century—reflecting the progressive adoption of various mechanical innovations, improved crop varieties, synthetic fertilizers and other chemicals, each in a decades long process—contributed to a sustained surge of faster-than-normal productivity growth throughout the third quarter of the century. A particular feature of this process was to move people off farms, a one-time transformation of agriculture that was largely completed by 1980.

Keywords: Production Economics; Productivity Analysis (search for similar items in EconPapers)
Pages: 84
Date: 2015-01
New Economics Papers: this item is included in nep-agr, nep-eff, nep-gro and nep-his
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Citations: View citations in EconPapers (3)

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Related works:
Working Paper: The Rise and Fall of U.S. Farm Productivity Growth, 1910-2007 (2016)
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Persistent link: https://EconPapers.repec.org/RePEc:ags:umaesp:200927

DOI: 10.22004/ag.econ.200927

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