From corporate earnings calls to social impact: Exploring ESG signals in S&P 500 ESG index companies through transformer-based models

IF 9.7 1区 环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL Journal of Cleaner Production Pub Date : 2025-03-16 DOI:10.1016/j.jclepro.2025.145320
Haein Lee, Jang Hyun Kim, Hae Sun Jung
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Abstract

This study introduces a comprehensive framework for extracting and analyzing Environmental, Social, and Governance (ESG)-related content from earnings call transcripts of companies in the S&P 500 ESG index using natural language processing (NLP) technologies. By systematically identifying ESG discussions, the framework discovers that ESG themes are prevalent and evolve over time, reflecting corporate priorities and external pressures. ESG content was extracted using the Refinitiv-Sustainable Leadership Monitor’s framework and summarized through Bidirectional Encoder Representations from Transformers (BERT)-based summarization and topic modeling employed for clustering and trend analysis. The results indicate that ESG-related topics are influenced by global events and are closely correlated with the S&P 500 ESG index. Additionally, a similarity matrix analysis highlights the strong interconnection between ESG elements and corporate performance, particularly in financial management and social responsibility. Causality analysis further demonstrates that social factors significantly impact the S&P 500 ESG index, suggesting that companies prioritizing social responsibility, transparency, and communication can improve both their ESG scores and financial performance. These findings underscore the strategic importance of integrating ESG initiatives for long-term corporate success.
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从企业财报电话会议到社会影响:通过基于转换器的模型探索标普 500 ESG 指数公司的 ESG 信号
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来源期刊
Journal of Cleaner Production
Journal of Cleaner Production 环境科学-工程:环境
CiteScore
20.40
自引率
9.00%
发文量
4720
审稿时长
111 days
期刊介绍: The Journal of Cleaner Production is an international, transdisciplinary journal that addresses and discusses theoretical and practical Cleaner Production, Environmental, and Sustainability issues. It aims to help societies become more sustainable by focusing on the concept of 'Cleaner Production', which aims at preventing waste production and increasing efficiencies in energy, water, resources, and human capital use. The journal serves as a platform for corporations, governments, education institutions, regions, and societies to engage in discussions and research related to Cleaner Production, environmental, and sustainability practices.
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