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Considering Household Size in Contingent Valuation Studies

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  • Ahlheim, Michael
  • Schneider, Friedrich
Abstract
In many empirical Contingent Valuation studies one finds that household size, i. e. the number auf household members, is negatively correlated with stated household willingness to pay for the realization of environmental projects. This observation is rather puzzling because in larger households more people can benefit from an environmental improvement than in small households. Therefore, the overall benefit should be greater for larger households. A plausible explanation could be that household budgets are tighter for large families than for smaller families with the same overall family income. The fact that larger families can afford only smaller willingness to pay statements in Contingent Valuation surveys than smaller families with the same income and the same preferences might have consequences for the allocation of public funds whenever the realization of an environmental project is made dependent on the outcome of a Contingent Valuation study. In this paper we show how the use of household equivalence scales for the assessment of environmental projects with the Contingent Valuation Method can serve to reduce the discrimination of members of large families.

Suggested Citation

  • Ahlheim, Michael & Schneider, Friedrich, 2013. "Considering Household Size in Contingent Valuation Studies," VfS Annual Conference 2013 (Duesseldorf): Competition Policy and Regulation in a Global Economic Order 79974, Verein für Socialpolitik / German Economic Association.
  • Handle: RePEc:zbw:vfsc13:79974
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    3. Ireri, Dave Mwagi, 2017. "Determination Of Willingness To Pay For Irrigation Water Institutions Among Smallholder Farming Households In Mbeere South, Kenya," Research Theses 276429, Collaborative Masters Program in Agricultural and Applied Economics.
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    5. Gschwandtner, Adelina & Jang, Cheul & McManus, Richard, 2018. "Improving Drinking Water Quality in South Korea: A Choice Experiment," 92nd Annual Conference, April 16-18, 2018, Warwick University, Coventry, UK 273472, Agricultural Economics Society.
    6. Ahlheim, Michael & Frör, Oliver & Nguyen Minh Duc & Rehl, Antonia & Siepmann, Ute & Pham Van Dinh, 2017. "Labour as a utility measure reconsidered," Hohenheim Discussion Papers in Business, Economics and Social Sciences 03-2017, University of Hohenheim, Faculty of Business, Economics and Social Sciences.

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    More about this item

    JEL classification:

    • D61 - Microeconomics - - Welfare Economics - - - Allocative Efficiency; Cost-Benefit Analysis
    • H43 - Public Economics - - Publicly Provided Goods - - - Project Evaluation; Social Discount Rate
    • Q51 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Valuation of Environmental Effects

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