• Ph D in Finance, Laval University (2008)

• CEO Pay Differences Between US and Non‐US Firms: A New Longitudinal Investigation Corporate Governance: An International Review (2026), Ruiyuan Ryan Chen, Sadok El Ghoul, Omrane Guedhami, Feiyu Liu.
• Beyond Ownership: The Role of Institutional Investors in International Corporate Governance Corporate Governance: An International Review (2025), Wolfgang Drobetz, Sadok El Ghoul, Omrane Guedhami, Xinya Yu.
• Redefining Purpose: The Effect of the 2019 Business Roundtable Statement on Corporate Tax Strategies Business Ethics, the Environment & Responsibility (2025), Sadok El Ghoul, Omrane Guedhami, Rana Jamshed.
• Can whistleblowing improve organizational effectiveness? Evidence from financial reporting misconduct Journal of Accounting, Auditing & Finance (2025), Hong K. Duong, Sadok E. Ghoul, Omrane Guedhami, Emmanuel Sequeira, Zuobao Wei.
• The brown side of firm flexibility European Financial Management (2025), Sadok El Ghoul, Omrane Guedhami, Samir Saadi, Syrine Sassi.
• Board Ancestral Diversity and Voluntary Greenhouse Gas Emission Disclosure British Journal of Management (2024), A .. Johannes Barg, Wolfgang Drobetz, Sadok El Ghoul, Omrane Guedhami, Henning Schröder.
• Firm digital transformation and corporate performance: The moderating effect of organizational capital Finance Research Letters (2024), Mobina Zareie, Najah Attig, Sadok El Ghoul, Iraj Fooladi.
• The persistence and consequences of share repurchases Journal of Business Finance & Accounting (2024), Sadok El Ghoul, Omrane Guedhami, Hyunseok Kim, Jungwon Suh.
• Does public corruption affect analyst forecast quality? Journal of Banking & Finance (2023), Sadok El Ghoul, Omrane Guedhami, Zuobao Wei, Yicheng Zhu.
• Institutional Investor Attention, Agency Conflicts, and the Cost of Debt Management Science (2023), Sadok El Ghoul, Omrane Guedhami, A .. Sattar Mansi, Hyo Jin Yoon.
• Governance and leverage: International evidence Financial Review (2023), Hamdi Driss, Sadok El Ghoul, Omrane Guedhami, K .. John Wald.
• Economic policy uncertainty and insider trading Journal of Financial Research (2022), Sadok El Ghoul, Omrane Guedhami, Robert Nash, He Helen Wang.
• The corporate governance consequences of small shareholdings: Evidence from sovereign wealth fund cross‐border investments Corporate Governance: An International Review (2022), Ruiyuan Ryan Chen, Sadok El Ghoul, Omrane Guedhami, Feiyu Liu.
• Fund performance and social responsibility: New evidence using social active share and social tracking error Journal of Banking & Finance (2022), Sadok El Ghoul, Aymen Karoui.
• Fund names versus family names: Implications for mutual fund flows Financial Review (2022), Aymen Karoui, Sadok El Ghoul.
• Does social trust affect international contracting? Evidence from foreign bond covenants Journal of International Business Studies (2022), P. Brockman, Sadok E. Ghoul, O. Guedhami, Y. Zheng.
• Event studies in international finance research Journal of International Business Studies (2022), Sadok E. Ghoul, O. Guedhami, S.A. Mansi, O. Sy.
• Firm Inflexibility and the Implied Cost of Equity SSRN (2022), Sadok E. Ghoul, Z. Fu, O. Guedhami, S. Saadi.
• Geographic deregulation and banks’ cost of equity capital Journal of International Money and Finance (2022), A.N. Berger, Sadok E. Ghoul, O. Guedhami, R.A. Roman.
• Political corporate social responsibility: The role of deliberative capacity Journal of International Business Studies (2022), R.W. Carney, Sadok E. Ghoul, O. Guedhami, J.W. Lu, H. Wang.
• What does COVID-19 teach us about the role of national culture? Evidence from social distancing restrictions Journal of International Financial Markets, Institutions and Money (2022), B.N. Ashraf, Sadok E. Ghoul, J.W. Goodell, O. Guedhami.
• Bank systemic risk around COVID-19: A cross-country analysis Journal of Banking and Finance (2021), Y. Duan, Sadok E. Ghoul, O. Guedhami, H. Li, X. Li.
• Board Reforms and Dividend Policy: International Evidence Journal of Financial and Quantitative Analysis (2021), K.-H. Bae, Sadok E. Ghoul, O. Guedhami, X. Zheng.
• Corporate social responsibility in emerging market economies: Determinants, consequences, and future research directions Emerging Markets Review (2021), N. Boubakri, Sadok E. Ghoul, O. Guedhami, H.H. Wang.
• Credit ratings quality in uncertain times Journal of International Financial Markets, Institutions and Money (2021), N. Attig, H. Driss, Sadok E. Ghoul.
• Cross-country determinants of institutional investors’ investment horizons Finance Research Letters (2021), S. Döring, W. Drobetz, Sadok E. Ghoul, O. Guedhami, H. Schröder.
• Dividends and economic policy uncertainty: International evidence Journal of Corporate Finance (2021), N. Attig, Sadok E. Ghoul, O. Guedhami, X. Zheng.
• Do Foreign Institutional Investors Affect International Contracting? Evidence from Bond Covenants SSRN (2021), P. Brockman, W. Drobetz, S.E. Ghoul, O. Guedhami, Y. Zheng.
• Does CSR matter in times of crisis? Evidence from the COVID-19 pandemic Journal of Corporate Finance (2021), K.-H. Bae, Sadok E. Ghoul, Z.J. Gong, O. Guedhami.
• Flying under the radar: The real effects of anonymous trading Journal of Corporate Finance (2021), N. Attig, Sadok E. Ghoul.
• Greenwashing and product market competition Finance Research Letters (2021), M. Arouri, Sadok E. Ghoul, M. Gomes.
• Institutional investment horizons and firm valuation around the world Journal of International Business Studies (2021), S. Döring, W. Drobetz, Sadok E. Ghoul, O. Guedhami, H. Schröder.
• Institutional investment horizons, corporate governance, and credit ratings: International evidence Journal of Corporate Finance (2021), H. Driss, W. Drobetz, Sadok E. Ghoul, O. Guedhami.
• International evidence on state ownership and trade credit: Opportunities and motivations Journal of International Business Studies (2021), R. Chen, Sadok E. Ghoul, O. Guedhami, C.C.Y. Kwok, R. Nash.
• Policy uncertainty and accounting quality Accounting Review (2021), Sadok E. Ghoul, O. Guedhami, Y. Kim, H.J. Yoon.
• Related-Party Transactions and CEO Foreign Experience: Evidence from China SSRN (2021), L. Dong, Sadok E. Ghoul, O. Guedhami, K. Uchida, Y. Zhang.
• State Ownership and Debt Structure SSRN (2021), N. Boubakri, R. Chen, Sadok E. Ghoul, O. Guedhami.
• The Green and Brown Performances of Mutual Fund Portfolios SSRN (2021), Sadok E. Ghoul, A. Karoui, S. Patel, S. Ramani.
• The role of creditor rights on capital structure and product market interactions: International evidence Journal of International Business Studies (2021), Sadok E. Ghoul, O. Guedhami, C.C.Y. Kwok, Y. Zheng.
• What's in a (Green) Name? The Consequences of Greening Fund Names on Fund Flows, Turnover, and Performance Finance Research Letters (2021), S.E. Ghoul, A. Karoui.
• Zombie firms: Prevalence, determinants, and corporate policies Finance Research Letters (2021), Sadok E. Ghoul, Z. Fu, O. Guedhami.

• Tax avoidance and ESG disclosure mandates: International evidence (2025), Volume Tokyo, Japan, Sadok E. Ghoul, Omrane Guedhami, Yongtae Kim, Hyo Jin Yoon.

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