Site update

I have had a personal website on the net since 1998. Two years ago I had to switch to WordPress and ever since I have not had much time to …

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.

Interview / New Bloomberg Terminal

Our new TSE Finance Lab got the Bloomberg Terminal, courtesy of financial support from Liedon Säästöpankkisäätiö. The Finnish Broadcasting Company (YLE) interviewed me and several students about this new service …

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 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

Media attention

Kauppalehti published today an article where I was mentioned. See the article here (can be behind paywall).

Viisas raha

Check out my (and others’) comments in Viisas Raha (Wise Money) -magazine here.

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