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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

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
Eloi values Schreurs

Master in economics

PhD in environmentaleconomics

Hasselt University

Summer school Choice experiments - Leuven (BE) – 3rd July 2013


Phd topic
PhD values topic

Environmentalpollution

Externalcost

Case study

Campineregion

Summer school Choice experiments - Leuven (BE) – 3rd July 2013


Problem statement
Problem values 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 statement1
Problem values 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 statement2
Problem values statement

Why?

StatedPreference(DCE)

Objective

Circumventweaknesses HP

Provide explanations

Summer school Choice experiments - Leuven (BE) – 3rd July 2013


Design
Design values

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


Design1
Design values

Attribute levels

Littlevariability

Extra consequenceslimited

Basedon HP dataset

Summer school Choice experiments - Leuven (BE) – 3rd July 2013


Design2
Design values

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


Analyzing the impact of soil contamination on farmland values
Data values

Survey

  • In-person interview

  • 26 municipalities

  • Simple random sampling

    Data (n = 200)

Summer school Choice experiments - Leuven (BE) – 3rd July 2013


Results
Results values

Multinomiallogit model

Summer school Choice experiments - Leuven (BE) – 3rd July 2013


Results1
Results values

Otherresults

Summer school Choice experiments - Leuven (BE) – 3rd July 2013


Results2
Results values

Willingnesstopay

Overestimation?

Summer school Choice experiments - Leuven (BE) – 3rd July 2013


Results3
Results values

Heterogeneity

Summer school Choice experiments - Leuven (BE) – 3rd July 2013


Conclusion
Conclusion values

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


Conclusion1
Conclusion values

Farmer’spreferences

Productivity

Lot size

Land userestrictions

Furtherresearch

Externalvalidity

Valuationpurposes?

Private good – nonmarket/public good

Summer school Choice experiments - Leuven (BE) – 3rd July 2013


Analyzing the impact of soil contamination on farmland values

Thank valuesyouforyour attention

Summer school Choice experiments - Leuven (BE) – 3rd July 2013