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

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Author Info
Raja Chakir

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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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File URL: http://le.uwpress.org/cgi/reprint/85/2/238
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Publisher 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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Find related papers by JEL classification:
C11 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: General - - - Bayesian Analysis
C81 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - Microeconomic Data
Q12 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Micro Analysis of Farm Firms, Farm Households, and Farm Input Markets
R14 - Urban, Rural, and Regional Economics - - General Regional Economics - - - Land Use Patterns

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  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. [Downloadable!]
  2. 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. [Downloadable!]
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This page was last updated on 2009-11-22.

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