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Protection Motivation Theory and Contingent Valuation: Perceived Realism, Threat and WTP Estimates for Biodiversity Protection

Author

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  • Riccardo Scarpa

    (University of York)

  • Susanne Menzel

    (University of Goettingen and University of York)

Abstract

We report on a discrete-choice CV study conducted in Germany to value the WTP for biodiversity protection in less developed countries. To systematically investigate survey realism and subjective threat assessment from the loss of biodiversity described in the scenario the study includes questions to uncover the constructs of Protection Motivation Theory, which is introduced to the CV literature. The patterns of responses to such questions are analysed using an Expectation-Maximization algorithm to derive class membership probabilities. These are found to match the predictions of Protection Motivation Theory and systematically improve the logistic analysis of the WTP responses.

Suggested Citation

  • Riccardo Scarpa & Susanne Menzel, 2005. "Protection Motivation Theory and Contingent Valuation: Perceived Realism, Threat and WTP Estimates for Biodiversity Protection," Working Papers 2005.26, Fondazione Eni Enrico Mattei.
  • Handle: RePEc:fem:femwpa:2005.26
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    Cited by:

    1. Andy Choi & Franco Papandrea & Jeff Bennett, 2007. "Assessing cultural values: developing an attitudinal scale," Journal of Cultural Economics, Springer;The Association for Cultural Economics International, vol. 31(4), pages 311-335, December.
    2. Morey, Edward & Thiene, Mara & De Salvo, Maria & Signorello, Giovanni, 2008. "Using attitudinal data to identify latent classes that vary in their preference for landscape preservation," Ecological Economics, Elsevier, vol. 68(1-2), pages 536-546, December.
    3. Choi, Andy S. & Fielding, Kelly S., 2013. "Environmental attitudes as WTP predictors: A case study involving endangered species," Ecological Economics, Elsevier, vol. 89(C), pages 24-32.
    4. De Valck, Jeremy & Vlaeminck, Pieter & Liekens, Inge & Aertsens, Joris & Chen, Wendy & Vranken, Liesbet, 2012. "The sources of preference heterogeneity for nature restoration scenarios," Working Papers 146522, Katholieke Universiteit Leuven, Centre for Agricultural and Food Economics.
    5. Halkos, George & Matsiori, Steriani, 2017. "Estimating recreational values of coastal zones," MPRA Paper 80911, University Library of Munich, Germany.

    More about this item

    Keywords

    Biodiversity valuation; Protection motivation theory; Latent class analysis; Expectation-Maximization algorithm; Contingent valuation;

    JEL classification:

    • Q2 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation
    • D6 - Microeconomics - - Welfare Economics
    • C42 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics - - - Survey Methods
    • C25 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Discrete Regression and Qualitative Choice Models; Discrete Regressors; Proportions; Probabilities

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