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Effectiveness of Energy Labels in Guiding Consumers' Decisions for Energy-saving Housing Selection

Research Project

Project/Area Number 19K01604
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 07040:Economic policy-related
Research InstitutionKanazawa University

Principal Investigator

Fujisawa Mieko  金沢大学, 経済学経営学系, 教授 (10502320)

Project Period (FY) 2019-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2022: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2021: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2020: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywordsエネルギーラベル / アイトラッキング実験 / アイトラッカー実験 / 社会実験 / 不動産広告 / 仮想評価法(CVM) / 支払意思額(WTP)
Outline of Research at the Start

研究の目的は、消費者を省エネ住宅選択の意思決定へと導く建物のエネルギー消費性能の表示制度(エネルギーラベル)の効果を明らかにし、その効果的な表示方法についても確認することである。はたして、「エネルギーラベルは消費者に希求して、省エネ住宅選択へと誘導するのか」を学術的な問いとして、アイトラッカー実験・不動産広告実験・社会実験をおこなう。これらの研究遂行にあたっては、ヘドニックプライスモデルやロジスティック回帰モデルによる分析ばかりでなく、行動経済学の手法も応用して効果を計測する。本研究は、エネルギーラベルの不動産広告の実装までを想定し、現実社会への応用を意識して研究を進める点に特徴がある。

Outline of Final Research Achievements

Through a web survey and experiments, this study confirms the possibility of consumers’ choice of energy-saving houses when the energy labels are disclosed. The web survey revealed that consumers preferred the design of continuous-scale label to that of the categorical-scale label, as it enabled quicker understanding of the difference in energy efficiency. Moreover, the experimental results of reconfirmation, using eye tracking, clarified the effectiveness of the continuous-scale label in terms of accurate perception of the meaning and quick decision-making.
Through a framing experiment, wherein the continuous-scale energy label was posted on a real estate advertisement, this study quantitatively assessed that adding contextual information to the label increased its effectiveness.
From the research and experimental results, it was verified that energy labels can affect consumers’ decision-making, inducing them to select energy-saving houses.

Academic Significance and Societal Importance of the Research Achievements

本研究では、エネルギーラベルが開示された場合の消費者の省エネ住宅選択の可能性を検証できた。この検証には、ロジスティク回帰分析に加え、傾向スコアマッチング法を使用しており、分析手法においてもこの分野の研究に新規性をもたらしている。
本出版論文は、アジアにおけるエネルギーラベル研究の先駆けであり、その後のHe et al. (2021)を始めとしたアジア圏における連続型ラベルの効果研究の発展に貢献している。また、社会実装に向けてのデザイン要素について確認した点に社会的意義がある。研究成果は、国内外の学会で発表し国際ジャーナルで出版している他、DPなども公表しており、広く研究結果を社会に還元している。

Report

(5 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (13 results)

All 2022 2021 2020 2019 Other

All Int'l Joint Research (1 results) Journal Article (2 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (6 results) (of which Int'l Joint Research: 2 results) Remarks (4 results)

  • [Int'l Joint Research] National University of Singapore(シンガポール)

    • Related Report
      2022 Annual Research Report
  • [Journal Article] 住宅選択時におけるエネルギーラベルのフレーミング効果の検証2022

    • Author(s)
      藤澤美惠子・庫川幸秀
    • Journal Title

      Journal of Behavioral Economics and Finance

      Volume: 15 Issue: Special_issue Pages: S40-S43

    • DOI

      10.11167/jbef.15.S40

    • ISSN
      2185-3568
    • Related Report
      2022 Annual Research Report
  • [Journal Article] An Experimental Study of the Effect of Energy Label Design on the Correct Evaluation of Buildings; Energy Performance and Promotion of Energy Saving2020

    • Author(s)
      Mieko Fujisawa, Kazuhisa Takemura, Yukihiko Funaki, Nobuyuki Uto, Ryo Takahashi
    • Journal Title

      International Real Estate Review

      Volume: 23 Issue: 1 Pages: 733-762

    • DOI

      10.24517/00061575

    • NAID

      120007006474

    • URL

      http://hdl.handle.net/2297/00061575

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] Impact of Energy Labels on Selecting Houses of Consumers: Validation by Logistic Regression Analysis.2022

    • Author(s)
      Mieko Fujisawa
    • Organizer
      The 44th IAEE International Conference
    • Related Report
      2022 Annual Research Report
  • [Presentation] 住宅選択時におけるエネルギーラベルのフレーミング効果の検証2022

    • Author(s)
      藤澤美惠子
    • Organizer
      行動経済学会第16回大会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Impact of Energy Labels on Selecting Houses of Consumers: An Experiment on Flaming Effects of Information2022

    • Author(s)
      Mieko Fujisawa
    • Organizer
      The 17th IAEE European Energy Conference
    • Related Report
      2022 Annual Research Report
  • [Presentation] アイトラッキングを用いた住宅エネルギーラベルへの反応実験2021

    • Author(s)
      藤澤美恵子
    • Organizer
      行動経済学会
    • Related Report
      2021 Research-status Report
  • [Presentation] Measuring Response to Energy Labels by Using Eye Tracking: An Experiment for Promoting Energy-saving House Choices2021

    • Author(s)
      Mieko Fujisawa, Nobuyuki Uto, Kazuhisa Takemura, Yukihiko Funaki
    • Organizer
      International Workshop for Lab and Field Experiments
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] An Experimental Study of the Effect of Energy Label Design on the Correct Evaluation of Buildings’ Energy Performance and Promotion of Energy Saving2019

    • Author(s)
      Mieko Fujisawa
    • Organizer
      The 24th AsRES Annual Conference 2019
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Remarks] Working Paper

    • URL

      https://www.waseda.jp/fpse/winpec/public/working-paper/

    • Related Report
      2022 Annual Research Report
  • [Remarks] 藤澤研究室

    • URL

      https://mfujisawa.web.fc2.com/index.html

    • Related Report
      2022 Annual Research Report
  • [Remarks] 藤澤研究室

    • URL

      http://mfujisawa.web.fc2.com/index.html

    • Related Report
      2020 Research-status Report
  • [Remarks] 藤澤研究室/研究成果

    • URL

      http://mfujisawa.web.fc2.com/research.html

    • Related Report
      2019 Research-status Report

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Published: 2019-04-18   Modified: 2024-01-30  

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