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New publication on ESG

Vaihekoski, Mika and Yahya, Habeeb (2025) Environmental, Social, and Governance (ESG) and Firm Valuation: The Moderating Role of Audit Quality. Journal of Risk and Financial Management, vol. 18(3). Available at …

New publication on IPOs

Chowdhury, Abu – Vaihekoski, Mika – Zaman, Mir (2024) Are Mondays different? Evidence from initial public offerings. Forthcoming in the Global Finance Journal, vol. 63, 101043. Available at https://doi.org/10.1016/j.gfj.2024.101043. OA.

New publication

Vaihekoski, Mika (2024) Revisiting Stock Market Index for the Helsinki Stock Exchange 1912–1981. Forthcoming in Journal of Risk and Financial Management. Available here. Indices created in this paper are available …

New publication

Vaihekoski, Mika and Yahya, Habeeb (2023) ESG and firm performance: Evidence from the Nordic countries. Nordic Journal of Business, vol. 73 (3), 164-189. The article is available here.

New working paper on equity issues available

A new working paper is now available. Vaihekoski, Mika: “Equity Issuances at Helsinki Stock Exchange 1912-1981”. Available at the SSRN https://ssrn.com/abstract=4577566. This paper is part of my research project on …

New publication

Antell, Jan – Vaihekoski, Mika (2023): Countercyclical and time-varying reward to risk and the equity premium. Research in International Business and Finance, vol. 66, 102017. Available at https://doi.org/10.1016/j.ribaf.2023.102017.

New publication

Vaihekoski, M. (2022). Helsinki Stock Exchange: Trading and listed securities, 1912–1981. Forthcoming in Financial History Review. You can already access the article at https://doi.org/10.1017/S0968565022000208