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Analyzing the impact of soil contamination on farmland values. Eloi Schreurs Sebastien Lizin Steven Van Passel Theo Thewys. Summer school ‘Choice experiments in agricultural and food economics’ – Leuven (BE) – 3 rd July 2013. Eloi Schreurs. Master in economics
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Analyzing the impact of soil contamination on farmland values EloiSchreurs SebastienLizin Steven Van Passel Theo Thewys Summer school ‘Choice experiments in agricultural and food economics’ – Leuven (BE) – 3rd July 2013
Eloi Schreurs Master in economics PhD in environmentaleconomics Hasselt University Summer school Choice experiments - Leuven (BE) – 3rd July 2013
PhD topic Environmentalpollution Externalcost Case study Campineregion Summer school Choice experiments - Leuven (BE) – 3rd July 2013
Problem statement Contamination of farmland Food safety? Health risks? Uncertainty? Soilremediation? Land userestrictions? “Impact soilpollution on farmlandvalues?” Cu Cd As Zn Summer school Choice experiments - Leuven (BE) – 3rd July 2013
Problem statement Hedonicpricinganalysis (HP) Y: Farmland values X: Soil Cd concentrations Result No effect Robust • Y= α+ β1x1+ β2x2+ … + ε Summer school Choice experiments - Leuven (BE) – 3rd July 2013
Problem statement Why? StatedPreference(DCE) Objective Circumventweaknesses HP Provide explanations Summer school Choice experiments - Leuven (BE) – 3rd July 2013
Design Simulate land purchasedecision Select attribute(s) (levels) • Expert knowledge • Contact information • Co-operation Complementarity to HP Summer school Choice experiments - Leuven (BE) – 3rd July 2013
Design Attribute levels Littlevariability Extra consequenceslimited Basedon HP dataset Summer school Choice experiments - Leuven (BE) – 3rd July 2013
Design Experimental design D-efficient design 3 options + opt-out 2 blocks of 8 choice sets Choice set Summer school Choice experiments - Leuven (BE) – 3rd July 2013
Data Survey • In-person interview • 26 municipalities • Simple random sampling Data (n = 200) Summer school Choice experiments - Leuven (BE) – 3rd July 2013
Results Multinomiallogit model Summer school Choice experiments - Leuven (BE) – 3rd July 2013
Results Otherresults Summer school Choice experiments - Leuven (BE) – 3rd July 2013
Results Willingnesstopay Overestimation? Summer school Choice experiments - Leuven (BE) – 3rd July 2013
Results Heterogeneity Summer school Choice experiments - Leuven (BE) – 3rd July 2013
Conclusion Soilcontamination= important in farmer’s land perception Confirmexplanations • Lack of awareness • Lack of compliance • Specialist dairy farmers Otherpossibilities • Non-farmers in HP • Farmland scarcity Summer school Choice experiments - Leuven (BE) – 3rd July 2013
Conclusion Farmer’spreferences Productivity Lot size Land userestrictions Furtherresearch Externalvalidity Valuationpurposes? Private good – nonmarket/public good Summer school Choice experiments - Leuven (BE) – 3rd July 2013
Thankyouforyour attention Summer school Choice experiments - Leuven (BE) – 3rd July 2013