4.7 Article

Is there heterogeneity in ESG disclosure by mining companies? A comparison of developed and developing countries

Journal

ENVIRONMENTAL IMPACT ASSESSMENT REVIEW
Volume 104, Issue -, Pages -

Publisher

ELSEVIER SCIENCE INC
DOI: 10.1016/j.eiar.2023.107348

Keywords

ESG; Mining companies; Developed and developing countries; Market value

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ESG disclosures are crucial for companies in terms of their legal operations, capital cost reduction, investment expansion, and especially for mining companies due to their vulnerability to significant ecological and social impacts. The study evaluates the quantity and quality of mining companies' ESG disclosures using panel data from 2011 to 2020. The results indicate improvements in both the quantity and quality of ESG disclosures. Developed countries have higher average scores and disclosure ratios for ESG indicators compared to developing countries, with the largest gap observed in the environmental indicators. There is a stronger correlation between ESG disclosure quality and market value for mining companies in developed countries.
ESG disclosures are important to how companies operate legally, reduce the costs of capital, broaden investment channels and are more important to mining companies, given their vulnerability to large, adverse ecological and social impacts. Using panel data from 2011 to 2020, we evaluate the quantity and quality of the ESG disclosures of mining companies and use grey correlation analysis and a regression model to calculate the relationship between ESG disclosure and market value. The results show improvements in the quantity and quality of mining companies' ESG disclosures. Regarding disclosure quantity, although more mining companies in developing countries publish ESG reports, the amount of the content in the reports is lower than that of developed countries. Regarding disclosure quality, the average score and disclosure ratio of the ESG indicators of mining companies in developed countries exceed those of developing countries, and the gap is the largest for E indicators; the disclosure quality by mining companies in developing countries has increased more, and the gap between them has gradually narrowed. The ESG disclosure quality of mining companies in developed countries is more strongly correlated with market value. In developed countries, mining companies' market values have the highest correlation with S disclosures, while in developing countries, mining companies' market values have the highest correlation with E disclosures.

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