Valuation of ecosystem services and social choice: the impact of deliberation in the context of two different aggregation rules

Mariam Maki Sy, Charles Figuieres, Hélène Rey-Valette, Richard Howarth and Rutger de Wit ()
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Mariam Maki Sy: UMR MARBEC - MARine Biodiversity Exploitation and Conservation - MARBEC - IRD - Institut de Recherche pour le Développement - IFREMER - Institut Français de Recherche pour l'Exploitation de la Mer - CNRS - Centre National de la Recherche Scientifique - UM - Université de Montpellier
Richard Howarth: Dartmouth College [Hanover]
Rutger de Wit: UMR MARBEC - MARine Biodiversity Exploitation and Conservation - MARBEC - IRD - Institut de Recherche pour le Développement - IFREMER - Institut Français de Recherche pour l'Exploitation de la Mer - CNRS - Centre National de la Recherche Scientifique - UM - Université de Montpellier

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Abstract: This paper describes an empiric study of aggregation and deliberation—used during citizens' workshops—for the elicitation of collective preferences over 20 different ecosystem services (ESs) delivered by the Palavas coastal lagoons located on the shore of the Mediterranean Sea close to Montpellier (S. France). The impact of deliberation is apprehended by comparing the collectives preferences constructed with and without deliberation. The same aggregation rules were used before and after deliberation. We compared two different aggregation methods, i.e. Rapid Ecosystem Services Participatory Appraisal (RESPA) and Majority Judgement (MJ). RESPA had been specifically tested for ESs, while MJ evaluates the merit of each item, an ES in our case, in a predefined ordinal scale of judgment. The impact of deliberation was strongest for the RESPA method. This new information acquired from application of social choice theory is particularly useful for ecological economics studying ES, and more practically for the development of deliberative approaches for public policies..

Keywords: ecosystem services; preference elicitation; non-monetary methods; deliberation; social choice theory; coastal lagoons (search for similar items in EconPapers)
Date: 2024
New Economics Papers: this item is included in nep-agr and nep-env
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Published in Social Choice and Welfare, 2024, pp.619-640. ⟨10.1007/s00355-022-01421-7⟩

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Related works:
Journal Article: Valuation of ecosystem services and social choice: the impact of deliberation in the context of two different aggregation rules (2024)
Working Paper: Valuation of Ecosystem Services and Social Choice: The Impact of Deliberation in the context of two different Aggregation Rules (2022)
Working Paper: Valuation of Ecosystem Services and Social Choice: The Impact of Deliberation in the context of two different Aggregation Rules (2021)
Working Paper: Valuation of Ecosystem Services and Social Choice: The Impact of Deliberation in the context of two different Aggregation Rules (2021)
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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-03769324

DOI: 10.1007/s00355-022-01421-7

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