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Spatial Downscaling of Agricultural Land-Use Data: An Econometric Approach Using Cross Entropy

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  • Raja Chakir

Abstract

We propose a spatial disaggregation tool to help researchers make the best use of aggregated data in studies of land use. The proposed approach uses parcel-level agricultural data in conjunction with biophysical processes to break down agricultural regional data to the pixel level. It is a two-step procedure. First, we estimate a land-use model using a multinomial logit model. Second, we disaggregate the observed regional data using a generalized cross-entropy approach, taking the first-step predictions as priors. This procedure is applied to the French Picardie region. Results indicate a significant correlation between observed and estimated land-use shares.

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Bibliographic Info

Article provided by University of Wisconsin Press in its journal Land Economics.

Volume (Year): 85 (2009)
Issue (Month): 2 ()
Pages: 238-251

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Handle: RePEc:uwp:landec:v:85:y:2009:i:2:p:238-251

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Web page: http://le.uwpress.org/

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Cited by:
  1. Britz, Wolfgang & Heckelei, Thomas, 2008. "Recent Developments In Eu Policies – Challenges For Partial Equilibrium Models," 107th Seminar, January 30-February 1, 2008, Sevilla, Spain 6315, European Association of Agricultural Economists.
  2. Fezzi, Carlo & Bateman, Ian J., 2009. "Structural Agricultural Land Use Modelling," 2009 Conference, August 16-22, 2009, Beijing, China 51423, International Association of Agricultural Economists.
  3. Petsakos, Athanasios & Jayet, Pierre-Alain, 2010. "Evaluating the efficiency of a N-input tax under different policy scenarios at different scales," 120th Seminar, September 2-4, 2010, Chania, Crete 109397, European Association of Agricultural Economists.
  4. Xavier, Antonio & Martins, Maria de Belem & Fragoso, Rui Manuel de Sousa, 2011. "Recovery of Incomplete Data of Statistical Livestock Number Applying an Entropy Approach," 2011 International Congress, August 30-September 2, 2011, Zurich, Switzerland 115790, European Association of Agricultural Economists.
  5. Morrison, Kathryn T. & Nelson, Trisalyn A. & Ostry, Aleck S., 2011. "Methods for mapping local food production capacity from agricultural statistics," Agricultural Systems, Elsevier, vol. 104(6), pages 491-499, July.
  6. Britz, Wolfgang, 2008. "EU-wide spatial down-scaling of results of regional economic models to analyze environmental impacts," 107th Seminar, January 30-February 1, 2008, Sevilla, Spain 6677, European Association of Agricultural Economists.
  7. Wade, Tara & Kurkalova, Lyubov A. & Secchi, Silvia, 2012. "Using the logit model with aggregated choice data in estimation of Iowa corn farmers’ conservation tillage subsidies," 2012 Annual Meeting, August 12-14, 2012, Seattle, Washington 124974, Agricultural and Applied Economics Association.
  8. Aurbacher, Joachim & Dabbert, Stephan, 2011. "Generating crop sequences in land-use models using maximum entropy and Markov chains," Agricultural Systems, Elsevier, vol. 104(6), pages 470-479, July.

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