Peer Reviewed International Published Papers (SSCI):
Ephraim Kwashie Thompson, Samuel Buertey and Kim So Yeun (2025). “How important is Corporate Social Responsibility for Corporate Financial Performance?: A Machine Learning Prediction from an Emerging Market and a Model Interpretable Approach” Business Ethics, the Environment & Responsibility, Forthcoming, DOI: https://doi.org/10.1111/beer.12820 (SSCI: Q1)
Ephraim Kwashie Thompson (2025). “ESG and stock price crash risk mitigation: Evidence from Korea”. Humanities and Social Sciences Communications, 12:278, 1-13. DOI: https://doi.org/10.1057/s41599-025-04607-3 (SSCI: Q1)
Ephraim Kwashie Thompson, Changki Kim and Kim So Yeun (2024). “On Modeling Acquirer Delisting Post-merger Using Machine Learning Techniques”. Journal of Management Analytics, 11(2): 247-275, DOI: https://doi.org/10.1080/23270012.2024.2348475 (SSCI: Q1)
Samuel Buertey, Tuan_Thanh Chu and Ephraim Kwashie Thompson (2024). “An empirical study on the cushioning effect of corporate social responsibility on the negative impact of COVID-19 on firm performance” Corporate Social Responsibility and Environmental Management, 31(2):1364-1379, DOI: https://doi.org/10.1002/csr.2638 (SSCI: Q1)
Ephraim Kwashie Thompson and Samuel Buertey (2023). “Which firms opt for Corporate Social Responsibility Assurance: A Machine Learning Prediction?” Business Ethics, the Environment & Responsibility, 32(2), 599-611, DOI: https://doi.org/10.1111/beer.12517 (SSCI: Q1)
Kim Seonhyeon, Ephraim Kwashie Thompson, and Changki Kim (2023). “Credit Rating and Managerial Behavior in Investment Decision Making: Evidence from the Korean Market”. Journal of Behavioral and Experimental Finance, 37, 100791, 1-18, DOI: https://doi.org/10.1016/j.jbef.2023.100791 (SSCI: Q1)
Ephraim Kwashie Thompson, Olivier Ashimwe, Samuel Buertey and So-Yeun Kim (2022). “The value relevance of sustainability reporting: does assurance and the type of assurer matter?” Sustainability Accounting, Management and Policy Journal, 13(4): 858-877, DOI: https://doi.org/10.1108/SAMPJ-08-2021-0329 (SSCI: Q2)
Peer Reviewed International Published Papers (SCOPUS):
Samuel Buertey, Ha Thanh Nguyen and Ephraim Kwashie Thompson (2024). “The Audit Committee Size and Dividend Policy: An Empirical Study of the Post-SOX Era” Corporate Governance: The International Journal of Business in Society, 24(2): 346-364 , DOI: https://doi.org/10.1108/CG-10-2022-0408 (SCOPUS)
Ephraim Kwashie Thompson (2022). “An empirical test of the Three-Factor Model: The Ghanaian case”. African Journal of Business and Economic Research, 17(2): 225-245, DOI: https://dx.doi.org/10.31920/1750-4562/2022/v17n2a10 (SCOPUS)
Ephraim Kwashie Thompson and Sylvester Adasi Manu (2021). “The Impact of Board Composition on the Dividend Policy of US Firms”. Corporate Governance: The International Journal of Business in Society, 21(5):737-753, DOI: https://doi.org/10.1108/CG-05-2020-0182 (SCOPUS)
Ephraim Kwashie Thompson and Changki Kim (2020). “Information Asymmetry, Time until Deal Completion and Post-M&A Performance”. Journal of Derivatives and Quantitative Studies, 28(3):321-346, DOI : https://doi.org/10.1108/JDQS-06-2020-0014 (SCOPUS)
Peer Reviewed Local Published Papers (KCI):
Ephraim Kwashie Thompson and Kim So Yeun (2022). “An Investigation of the Korean General Insurance Industry: Evidence of Structural Changes and Impact of Macro-economic Factors on Loss Ratios”. East Asian Mathematical Journal, 38(5): 617-641, DOI: http://dx.doi.org/10.7858/eamj.2022.038 (KCI)
Ephraim Kwashie Thompson, Kim Seonhyeon and Changki Kim (2021). “Telehealth and Insurance Industry”. The Journal of Risk Management. 32(3):105-145, DOI: https://doi.org/10.21480/tjrm.32.3.202109.004 (KCI)
Kim Seonhyeon, Ephraim Kwashie Thompson, and Changki Kim (2021). “Insurance transactions through blockchain applications: Current status and implications for the domestic insurance industry”. Crisisonomy. 17(11): 137-156, DOI: https://doi.org/10.14251/crisisonomy.2021.17.11.137 (KCI)
Ephraim Kwashie Thompson and Changki Kim (2020). “The Effect of Information Asymmetry on the Method of Payment and Post-M&A Involuntary Delisting”. Asia-Pacific Journal of Business. 11(3):1-20, DOI : https://doi.org/10.32599/apjb.11.3.202009.1 (KCI)
Ephraim Kwashie Thompson and Changki Kim (2020). “Post-Merger and Acquisition Performance and Risk Factors: An International Study”. The Journal of Risk Management. 31(3):29-66, DOI : https://doi.org/10.21480/tjrm.31.3.202009.002 (KCI)
Working Papers:
Ephraim Kwashie Thompson. “On the Impact of ESG on Stock Price Crash Risk: Machine Learning Insights from Korean Firms”. Under Review at Corporate Social Responsibility and Environmental Management
Ephraim Kwashie Thompson. “Corporate Risk Mitigation Strategy through ESG: Evidence from the Korean Market”. Under Review at Economic Analysis and Policy
Samuel Buertey and Ephraim Kwashie Thompson. “ESG Performance and Firm Idiosyncratic Risk in the Korean Market: A Machine Learning Perspective”. Under Review at International Review of Financial Analysis
Ephraim Kwashie Thompson and Samuel Buertey. “Fiscal Policy Reforms in an Emerging Market: Does tax cut induce Earnings management?”. (Work in Progress)
Ephraim Kwashie Thompson and Kyunghyun Kim. “ESG performance and Dividend policy: A study of the Covid era from the Korean setting” (Work in Progress)
Conference and Seminar Presentations:
Ephraim K. Thompson and Changki Kim. “Telehealth and Insurance”. 2020 Korean Insurance Academic Society-Korea Risk Management Society Joint Conference , Feb 19, 2021. South Korea, Online Conference.
Ephraim K. Thompson and Changki Kim. “Risk on Post-M&A Performance: the information implication in time till deal completion”. 2019 Quantitative Methods in Finance Conference, Dec 17-20, 2019. Hilton Sydney, Sydney, Australia.
Ephraim K. Thompson and Changki Kim. “Post M&A Performance and Failure: Implications of Time Until Deal Completion”. 2019 3rd Sydney Banking and Financial Stability Conference, Dec 13-14, 2019. Sydney, Australia.
Ephraim K. Thompson and Changki Kim. “Post M&A Performance and Failure: Implications of Time Until Deal Completion”. Workshop on portfolio management, May 17, 2019. Ajou University, South Korea.
Ephraim K. Thompson and Changki Kim. “Post M&A Performance and Failure: Implications of Time Until Deal Completion”. Korea University Weekly Finance Seminar, Phd 2-Year Paper Presentation, May 03, 2019. Korea University, South Korea.
Ephraim K. Thompson and Changki Kim. “Merger and Acquisition Risk Factors: An International Study”. 2018 International Conference on Banking, Economics, Finance and Business, Summer Session, Aug 17-19, 2018. Sapporo Convention Center, Hokkaido, Japan.
Ephraim K. Thompson and Changki Kim. “Merger and Acquisition Risk Factors: An International Study ”. 2016 Insurance Union Academic Conference, Summer Session, Aug 17-18, 2016. Gongjiam Resort, Gyeonggido, South Korea.
Fellowships and Awards:
Best English Thesis Award (Korea University Business School)
2021 The Journal of Risk Management Best Published Paper (Korea Risk Management Society)
Korea University Business School Graduate Student Fellowship.
Korea University Graduate School Foreign Student Scholarship
Korean Government Scholarship Programme
Carleton University Exchange Student Scholarship (Canada)
Korean Government Invitation Programme for Undergraduate Students