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Measuring Environmental Policy Stringency in OECD Countries: A Composite Index Approach

Author

Listed:
  • Enrico Botta

    (OECD)

  • Tomasz Koźluk

    (OECD)

Abstract

Cross-country analysis of the economic effects of environmental policies is limited by the lack of reliable, comparable measures of the stringency of environmental policies. This paper attempts to fill this gap, by constructing new quantitative indexes of environmental policy stringency (EPS). Selected environmental policy instruments, primarily related to climate and air pollution, are scored and aggregated into composite EPS indexes. Two EPS indexes are proposed – one for the energy sector, and an extended one to proxy for the broader economy (“economy-wide”). They cover most OECD countries over 1990s-2012. While a simplification of the multidimensional reality of environmental policies, the EPS indicators are a first tangible effort to measure environmental policy stringency internationally over a relatively long time horizon. They show relatively high and significant correlations with alternative proxies of EPS used in the literature, such as measures of perceived stringency based on surveys, measures based on environmental outcomes and a composite policy-based measure with no time series. The paper describes some additional features of the EPS indicators and sketches out possible future extensions. Mesurer la sévérité des politiques environnementales dans les pays de l'OCDE : Approche fondée sur des indices composites L’analyse des effets économiques des politiques environnementales dans une optique internationale est entravée par le manque de mesures fiables et comparables de la sévérité de ces politiques. Ce document vise à combler cette lacune en construisant de nouveaux indices quantitatifs de la sévérité des politiques environnementales (SPE). En l’occurrence, une note est attribuée à certains instruments de la politique de l’environnement – liés principalement au climat et à la pollution atmosphérique – et les notes sont agrégées sous forme d’indices composites de la SPE. Deux indices de SPE sont proposés : un pour le secteur de l’énergie et un, élargi, destiné à couvrir l’économie dans son ensemble (« macro-économique »). Ces indices couvrent la plupart des pays de l’OCDE pour la période allant des années 90 à 2012. Même s’ils dressent un tableau simplifié de la réalité protéiforme des politiques environnementales, les indicateurs de SPE sont l’aboutissement d’un premier effort tangible visant à mesurer la sévérité de ces politiques dans une optique internationale sur une période relativement longue. Ils laissent apparaître des corrélations relativement fortes et significatives avec d’autres mesures indirectes de la SPE employées dans les travaux publiés, comme celles issues d’enquêtes sur la sévérité perçue, celles reposant sur les résultats environnementaux et une mesure composite fondée sur les politiques pour laquelle il n’existe pas de série temporelle. Le document décrit plusieurs autres caractéristiques des indicateurs de SPE et esquisse de possibles prolongements à venir.

Suggested Citation

  • Enrico Botta & Tomasz Koźluk, 2014. "Measuring Environmental Policy Stringency in OECD Countries: A Composite Index Approach," OECD Economics Department Working Papers 1177, OECD Publishing.
  • Handle: RePEc:oec:ecoaaa:1177-en
    DOI: 10.1787/5jxrjnc45gvg-en
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    More about this item

    Keywords

    composite indicators; environmental policies; environmental policy stringency; environmental regulations; indicateurs composites; politiques environnementales; réglementation environnementale; sévérité des politiques environnementales;
    All these keywords.

    JEL classification:

    • Q48 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Government Policy
    • Q50 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - General
    • Q58 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environmental Economics: Government Policy

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