Arbeitspapier
The standard errors of persistence
A large literature on persistence finds that many modern outcomes strongly reflect characteristics of the same places in the distant past. However, alongside unusually high t statistics, these regressions display severe spatial autocorrelation in residuals, and the purpose of this paper is to examine whether these two properties might be connected. We start by running artificial regressions where both variables are spatial noise and find that, even for modest ranges of spatial correlation between points, t statistics become severely inflated leading to significance levels that are in error by several orders of magnitude. We analyse 27 persistence studies in leading journals and find that in most cases if we replace the main explanatory variable with spatial noise the fit of the regression commonly improves; and if we replace the dependent variable with spatial noise, the persistence variable can still explain it at high significance levels. We can predict in advance which persistence results might be the outcome of fitting spatial noise from the degree of spatial autocorrelation in their residuals measured by a standard Moran statistic. Our findings suggest that the results of persistence studies, and of spatial regressions more generally, might be treated with some caution in the absence of reported Moran statistics and noise simulations.
- Language
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Englisch
- Bibliographic citation
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Series: UCD Centre for Economic Research Working Paper Series ; No. WP19/13
- Classification
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Wirtschaft
- Subject
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Persistence
Deep Origins
Spatial Noise
- Event
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Geistige Schöpfung
- (who)
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Kelly, Morgan
- Event
-
Veröffentlichung
- (who)
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University College Dublin, UCD School of Economics
- (where)
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Dublin
- (when)
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2019
- Handle
- Last update
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10.03.2025, 11:43 AM CET
Data provider
ZBW - Deutsche Zentralbibliothek für Wirtschaftswissenschaften - Leibniz-Informationszentrum Wirtschaft. If you have any questions about the object, please contact the data provider.
Object type
- Arbeitspapier
Associated
- Kelly, Morgan
- University College Dublin, UCD School of Economics
Time of origin
- 2019
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