Analyzing the impact of soil contamination on farmland values
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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

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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


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