Land Measurement Bias and its Empirical Implications: Evidence from a Validation Exercise
This paper investigates how land size measurements vary across three common land measurement methods (farmer estimated, Global Positioning System (GPS), and compass and rope), and the effect of land size measurement error on the inverse farm size relationship and input demand functions. The analysis...
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| Format: | Elektronisch E-Book |
| Sprache: | English |
| Veröffentlicht: |
Washington, D.C
The World Bank
2016
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| Schriftenreihe: | World Bank E-Library Archive
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| Online-Zugang: | Volltext |
| Zusammenfassung: | This paper investigates how land size measurements vary across three common land measurement methods (farmer estimated, Global Positioning System (GPS), and compass and rope), and the effect of land size measurement error on the inverse farm size relationship and input demand functions. The analysis utilizes plot-level ata from the second wave of the Nigeria General Household Survey Panel, as well as a supplementary land validation survey covering a subsample of General Household Survey Panel plots. Using this data, both GPS and self-reported farmer estimates can be compared with the gold standard compass and rope measurements on the same plots. The findings indicate that GPS measurements are more reliable than farmer estimates, where self-reported measurement bias leads to over-reporting land sizes of small plots and under-reporting of large plots. The error observed across land measurement methods is nonlinear and results in biased estimates of the inverse land size relationship. Input emand functions that rely on self-reported land measures significantly underestimate the effect of land on input utilization, including fertilizer and household labor |
| Beschreibung: | 1 Online-Ressource (31 p) |
| DOI: | 10.1596/1813-9450-7597 |
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| indexdate | 2025-02-20T07:19:37Z |
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| spellingShingle | Dillon, Andrew Land Measurement Bias and its Empirical Implications Evidence from a Validation Exercise |
| title | Land Measurement Bias and its Empirical Implications Evidence from a Validation Exercise |
| title_auth | Land Measurement Bias and its Empirical Implications Evidence from a Validation Exercise |
| title_exact_search | Land Measurement Bias and its Empirical Implications Evidence from a Validation Exercise |
| title_exact_search_txtP | Land Measurement Bias and its Empirical Implications Evidence from a Validation Exercise |
| title_full | Land Measurement Bias and its Empirical Implications Evidence from a Validation Exercise Andrew Dillon |
| title_fullStr | Land Measurement Bias and its Empirical Implications Evidence from a Validation Exercise Andrew Dillon |
| title_full_unstemmed | Land Measurement Bias and its Empirical Implications Evidence from a Validation Exercise Andrew Dillon |
| title_short | Land Measurement Bias and its Empirical Implications |
| title_sort | land measurement bias and its empirical implications evidence from a validation exercise |
| title_sub | Evidence from a Validation Exercise |
| url | https://doi.org/10.1596/1813-9450-7597 |
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