António Miguel Valente Martins

Penteada University Campus , Floor 1, Office 1.66

antonio.martins@staff.uma.pt

(+351) 291 705 045 / 5045

Publications

- 2024 U.S. Presidential Elections: An Event Study for U.S. and Non-U.S. Fossil Fuel and Renewable Listed Firms, Martins, António; Bruno Albuquerque, Luís Sardinha e Nuno Moutinho, International Review of Financial Analysis, 2025

- Airline Stock Market Reaction to CrowdStrike IT Outage: An Event Study Analysis, Costa, João; Susana Cró, Nuno Moutinho e António Martins, Finance Research Letters, 2025

- Evergrande Short-Term Effect on Chinese Listed Financial Institutions, Martins, António e Nuno Moutinho, International Review of Economics and Finance, 2025

- Impact of Elections on the Cannabis Market: An Event Study for the 2024 U.S. Presidential Election, Martins, António; Bruno Albuquerque, Luís Sardinha e Nuno Moutinho, International Review of Economics and Finance, 2025

- Short-Term Market Impact of 2024 US President Elections and Trump-Zelensky Meeting in Defence Industry, Martins, António; Bruno Albuquerque, Luís Sardinha e Nuno Moutinho, The North American Journal of Economics and Finance, 2025

- Stock Market Effects of Corporate Malpractices and Misconduct: Evidence from the Short-Seller Hindenburg, Albuquerque, Bruno; António Martins e Nuno Moutinho, Finance Research Letters, 2025

- Stock Market Effects of CrowdStrike IT Outage on Largest Listed Hotel Companies, Albuquerque, Bruno; Susana Cró, Nuno Moutinho e António Martins, Tourism Economics, 2025

- Stock Market Effects of Major Cyberattacks: Evidence for Breached and Cybersecurity Listed Firms, Martins, António, Nuno Moutinho e Susana Cró, Journal of Banking Regulation, 2025

- Stock Market Reaction to the Recurring Incidents at Boeing: An Event Study Analysis, Cró, Susana, Nuno Moutinho e António Martins, International Journal of Finance and Economics, 2025

- Stock Market? Reaction of Global E-Commerce Listed Firms: An Event Study for Different Phases of COVID-19 Pandemic, Cró, Susana, Pedro Correia, Ricardo Gouveia e António Martins, Journal of Economic Studies, 2025

Academic Qualifications

- PhD in Finanças, 2012, Faculdade de Economia do Porto

- Master Degree in Finanças, 2005, Faculdade de Economia do Porto

- Undergraduate Degree in Economia, 2002, Faculdade de Economia do Porto