THE IMPACT OF ESG REPORTING ON Cost of Debt (COD) AND COST OF EQUITY (COE) OF LISTED COMPANIES IN THE STOCK EXCHANGE OF THAILAND

Authors

  • Natchanok Autthasamut Faculty of Business Administration and Information Technology, Rajamangala University of Technology Suvarnabhumi
  • Pannapat Nuamkoed Faculty of Business Administration and Information Technology, Rajamangala University of Technology Suvarnabhumi
  • Marisa Lamo Faculty of Business Administration and Information Technology, Rajamangala University of Technology Suvarnabhumi
  • Ratsamee Amornchotithan Faculty of Business Administration and Information Technology, Rajamangala University of Technology Suvarnabhumi
  • Dararat Phoprachak Faculty of Business Administration and Information Technology, Rajamangala University of Technology Suvarnabhumi

DOI:

https://doi.org/10.14456/jburus.2025.14

Keywords:

ESG Disclosure, Cost of Debt, Cost of Equity, Stock Exchange of Thailand, Listed Companies in the Stock Exchange of Thailand

Abstract

This research aims to examine the impact of Environmental, Social, and Governance (ESG) reporting on the cost of debt (COD) and cost of equity (COE) of listed companies on the Stock Exchange of Thailand. Data were collected from 2022 to 2024, with a sample of 147 companies obtained from the Bloomberg Terminal database. Multiple regression analysis was employed for data analysis.

Research findings reveal that ESG performance in environmental (ENV) and social (SOC) dimensions has a statistically significant negative impact on the cost of debt (COD) at the .05 level. This reflects that financial institutions and creditors place importance on sustainability risk assessment, whereby organizations with higher ESG scores are perceived as lower risk and receive more favorable financing terms. The study also indicates that the development and disclosure of standardized ESG information plays a crucial role in reducing long-term financial costs and building confidence among lenders and stakeholders, which aligns with the global trend emphasizing sustainable business practices. However, overall ESG performance was not found to have a statistically significant impact on the cost of equity (COE), suggesting that investors have not yet placed sufficient importance on ESG information in determining their required rate of return. This may stem from the nascent stage of ESG value recognition or the lack of clear evaluation criteria, indicating opportunities for development and promotion to enhance ESG's role in future investment decision-making processes.

References

Alves, C. F., & Meneses, L. L. (2024). ESG scores and debt costs: Exploring indebtedness, agency costs, and financial system impact. International Review of Financial Analysis, 94, 103240. https://doi.org/10.1016/j.irfa.2024.103240

Apergis, N., Poufinas, T., & Antonopoulos, A. (2022). ESG scores and cost of debt. Energy Economics, 112, 106186. https://doi.org/10.1016/j.eneco.2022.106186

Best, J. W., & Kahn, J. V. (2005). Research in education (10th ed.). Boston, MA: Pearson.

Chen, J., Guo, X., & Liu, R. (2025). ESG rating uncertainty and the cost of debt financing. International Journal of Finance & Economics, 30(4), 4328–4342. https://doi.org/10.1002/ijfe.3123

Dalò, A., Mees, R., Scholtens, B., & Zhao, H. (2023). Corporate sustainability, cost of equity, and credit ratings (Research Report No. 2023005-EEF). University of Groningen, Faculty of Economics and Business Retrieved from https://www.rug.nl/feb/research/febri-research-reports/docs-2023/2023005-eef-def.pdf

Ernst, D., & Woithe, F. (2024). Impact of the Environmental, Social, and Governance Rating on the Cost of Capital: Evidence from the S&P 500. Journal of Risk and Financial Management, 17(3), 91. https://doi.org/10.3390/jrfm17030091

Fiorillo, P., Meles, A., Ricciardi, A., & Verdoliva, V. (2025). ESG performance and the cost of debt: Evidence from the corporate bond market. International Review of Financial Analysis, 102, 104097. https://doi.org/10.1016/j.irfa.2025.104097

Fu, T., & Li, J. (2023). An empirical analysis of the impact of ESG on financial performance: The moderating role of digital transformation. Frontiers in Environmental Science, 11, 1256052. https://doi.org/10.3389/fenvs.2023.1256052

Hair, J., Black, W., Babin, B., Anderson, R., & Tatham, R. (2006). Multivariate data analysis (6th ed.). Upper Saddle River, NJ: Pearson Prentice Hall.

Larsson, F., & Larsson, H. (2023). Impact of ESG performance and carbon emissions on cost of debt: A study of the Nordic markets (Master’s thesis). Uppsala University, Uppsala, Sweden. Retrieved from https://www.diva-portal.org/smash/get/diva2%3A1775321/FULLTEXT01.pdf

Li, J., Hou, Y., Tan, C., & Han, L. (2025). Does rating consistency matter? A micro-level study on the impact of corporate ESG rating divergence on equity financing costs. Accounting & Finance, 65(4), 3966–3982. https://doi.org/10.1111/acfi.70057

Malich, J., & Husi, A. (2024). MSCI ESG ratings and cost of capital. MSCI. Retrieved from https://www.msci.com/research-and-insights/paper/msci-esg-ratings-and-cost-of-capital

Rong, X., & Kim, M.-I. (2024). ESG and the Cost of Debt: Role of Media Coverage. Sustainability, 16(12), 4993. https://doi.org/10.3390/su16124993

Shi, Y., Zheng, S., Xiao, P., Zhen, H., & Wu, T. (2024). ESG performance and cost of debt. China Journal of Accounting Research, 17(4), 100390. https://doi.org/10.1016/j.cjar.2024.100390

Truong, C., Dang, T. L., Do, D. T., & Ho, T. (2024). From mandate to market across the globe: The impact of mandatory ESG disclosure on the cost of equity capital. SSRN. Retrieved from https://ssrn.com/abstract=4877934

Wong, R., Nguyen, H. T. M., & Kwansa, N. A. (2024). ESG performance and cost of capital: What do we know? Evidence from the US. International Journal of Monetary Economics and Finance, 17(1). https://doi.org/10.1504/IJMEF.2023.10059849

You, X., Chen, C., Peng, K., & Li, Y. (2025). ESG disclosure quality and cost of debt. Emerging Markets Review, 64, 101219. https://doi.org/10.1016/j.ememar.2024.101219

Zahid, R. M. A., Saleem, A., & Maqsood, U. S. (2023). ESG performance, capital financing decisions, and audit quality: Empirical evidence from Chinese state-owned enterprises. Environmental Science and Pollution Research, 30(15), 44086–44099. https://doi.org/10.1007/s11356-023-25345-6

Published

2025-12-30

How to Cite

Autthasamut, N., Nuamkoed, P., Lamo, M., Amornchotithan, R., & Phoprachak, D. (2025). THE IMPACT OF ESG REPORTING ON Cost of Debt (COD) AND COST OF EQUITY (COE) OF LISTED COMPANIES IN THE STOCK EXCHANGE OF THAILAND. Journal of Business Administration Rajamangala Suvarnbhumi, 2(3), 73–85. https://doi.org/10.14456/jburus.2025.14

Issue

Section

Research Articles