An Empirical Analysis of the Linkages between Green/Blue Bonds and Social Impacts

Abstract

近年、(企業や大学を含む)日本の様々な組織が、環境債(グリーンボンド)及びブルーボンドを発行し、自然資本への取り組みを加速させている。ブルーボンドは、水資源や海洋関連事業に特化した環境債を指す。本稿では、1,203社の最新の日本企業のデータに基づき、(潜在変数である)企業の「社会インパクト創出力(社会性)」と、複数の観測変数との繋がりに着目し、分析を行った。変数は、以下の通りである[環境債、CSV(共通価値の創造)事業、CE(サーキュラー・エコノミー:循環型経済社会)の取り組み、SDGs、ステークホルダー・ダイアログ(機関投資家を含む利害関係者との対話)、国際イニシアティブ(SASBスタンダード、TNFD、RE100)]。さらに、8つの産業を対象に、2種類の潜在変数(社会性と経済性)の繋がりについても、構造方程式モデリング(SEM)を用い考察を加えた。その結果、6つの産業において有意な正の相関(社会性と経済性の両立)がみられた。特に食品関連産業では、社会性と観測変数の「環境債及びブルーボンド等」との間で、有意な強い正の関連性が示された。Various Japanese organizations, including companies and universities, have begun issuing green bonds and blue bonds to accelerate their environmental initiatives. Green bonds are designed to support projects related to climate change and the environment. Similarly, the aim of blue bonds is to facilitate projects addressing problems regarding water resources and marine biodiversity. Based on an examination of 1,203 Japanese companies, this study explores the relationship between “social/economic impacts” and observed variables, such as Green/Blue Bonds, CSV (Creating Shared Value) Projects, CE (Circular Economy) Initiatives, SDGs (The Sustainable Development Goals), Multi-Stakeholder Dialogues, and Global Environmental Initiatives (The SASB Standards, TNFD, and RE100), etc. In addition, Structural Equation Modeling (SEM) was used to analyze the links between the latent variables (“Social Impact” and “Economic Performance”) in 8 industries. The findings showed that there were statistically significant correlations between the two latent variables in 6 out of 8 industries. Green/blue bonds and green loans, especially for companies in the food industry, play an important role in achieving strong social impacts.近藤久美子: 東京海洋大学海の研究戦略マネジメント機構Kumiko KONDO: Office of Management and Strategy for Marine Studies (MS-Square), Tokyo University of Marine Science and Technologydepartmental bulletin pape

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Last time updated on 13/03/2025

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