The Enduring Impact of the American Dust Bowl: Short- and Long-Run Adjustments to Environmental Catastrophe
Open accessAbstract
The 1930s American Dust Bowl was an environmental catastrophe that greatly eroded sections of the Plains. The Dust Bowl is estimated to have immediately, substantially, and persistently reduced agricultural land values and revenues in more-eroded counties relative to less-eroded counties. During the Depression and through at least the 1950s, there was limited relative adjustment of farmland away from activities that became relatively less productive in more-eroded areas. Agricultural adjustments recovered less than 25 percent of the initial difference in agricultural costs for more-eroded counties. The economy adjusted predominantly through large relative population declines in more-eroded counties, both during the 1930s and through the 1950s. (JEL N32, N52, Q15, Q18, Q54)
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The stable groups assumption is satisfied for the Hornbeck (2012) regression because many counties have 0% of their land situated in medium or high erosion regions.
“The stable groups assumption is satisfied: many counties have 0% of their land situated in medium or high erosion regions.”
From Two-Way Fixed Effects Estimators with Heterogeneous Treatment Effects (2020) · cites this paper as Hornbeck (2012)
Section IV (Empirical Framework; page unavailable) confirms that Hornbeck’s regression uses the fractions of each county in medium- and high-erosion regions, with less-eroded counties as the comparison group. Section III and the Results Appendix identify low-erosion areas, but the text does not establish that many counties have zero land in both medium- and high-erosion regions. Nor does it state that a ‘stable groups’ assumption is satisfied. (LLM, conf=0.78)
Experimental — accuracy not yet measuredIn the Hornbeck (2012) regression Equation (1), the dependent variable is the change in log land value in county c between period t and 1930, and the explanatory variables are state × year fixed effects, the share of county c in high erosion regions, the share of county c in medium erosion regions, and controls.
“In regression Equation (1), the dependent variable is, say, the change in log land value in county c between period t and 1930, and the explanatory variables are state × year fixed effects, the share of county c in high erosion regions, the share of county c in medium erosion regions, and some control variables.”
From Two-Way Fixed Effects Estimators with Heterogeneous Treatment Effects (2020) · cites this paper as Hornbeck (2012)
The Hornbeck (2012) regression is a fuzzy design because the treatments of interest are whether a piece of land is in high or in medium erosion regions, which varies within (county,year) cells.
“This a fuzzy design: the treatments of interest are whether a piece of land is in high or in medium erosion regions, which varies within (county,year) cells.”
From Two-Way Fixed Effects Estimators with Heterogeneous Treatment Effects (2020) · cites this paper as Hornbeck (2012)
The Hornbeck (2012) regression is similar to Regression 1 with controls, except that it has two treatment variables.
“This regression is similar to Regression 1 with controls, except that it has two treatment variables.”
From Two-Way Fixed Effects Estimators with Heterogeneous Treatment Effects (2020) · cites this paper as Hornbeck (2012)
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- Land Value. The value of farmland, including buildings and improvements attached to the land (excluding implements and machinery). 1910-1992, except 1974. Data include the average value of a farm and the average value of a farm acre (the two begin to differ slightly after 1950, when the census began to sample farms). Total values are calculated from each measure, and the average of the two is used (oversampling large farms will tend to bias the averages in opposite directions). Results are not sensitive to using either measure. The value of land only (not including buildings) is available in 1910, 1920, 1930, and 1940.
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- Farm Population. Population living on farms. 1930, 1940, 1945, 1950, 1970, 1990.
- Retail Sales per capita. Sales in the retail sector. 1930, 1940, 1958, 1967, 1987.
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- Authors
- Hornbeck, R.
- Affiliations
- Harvard University (US)
- Corresponding author
- Hornbeck, Richard
- Venue
- American Economic Review
- Publisher
- American Economic Association
- Published
- 2012-06-01
- Volume
- 102
- Issue
- 4
- Pages
- 1477-1507
- ISSN
- 0002-8282 (ISSN-L)
- OpenAlex
- W3122058131
- Cited by
- 571
- References
- 0
- Citations by year
- 2026: 35 · 2025: 42 · 2024: 42 · 2023: 44 · 2022: 41 · 2021: 41 · 2020: 40 · 2019: 71 · 2018: 42 · 2017: 46 · 2016: 29 · 2015: 26 · 2014: 26 · 2013: 19 · 2012: 17
- FWCI
- 86.97
- Type
- journal article
- Language
- en
- Open access
- green
- nrs.harvard.edu
- Licence
- cc-by
- Locations
- American Economic Review (publishedVersion)
- RePEc: Research Papers in Economics (submittedVersion)
- Digital Access to Scholarship at Harvard (DASH) (Harvard University) (submittedVersion, cc-by)
- Topics
- Physical Sciences › Environmental Science › Management, Monitoring, Policy and Law › American Environmental and Regional History
- Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Historical Economic and Social Studies
- Social Sciences › Safety Research › Agricultural economics and policies
- Keywords
- Dust Bowl, environmental catastrophe, agricultural land values, Great Depression, population decline, agricultural adjustment, Great Plains, land degradation
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