Online grocery shopping before and during the COVID-19 pandemic: A meta-analytical review. - Olli Tyrväinen; Heikki Karjaluoto (Telematics Informatics, 2022)

Willingness to pay for freemium services: Addressing the differences between monetization strategies. - Olli Tyrväinen; Heikki Karjaluoto (Int. J. Inf. Manag., 2024)

Unrequited love? A mixed-methods study of parasocial engagement with social media influencers. - Olli Tyrväinen; Heikki Karjaluoto (Int. J. Inf. Manag., 2025)

Overloaded yet addicted? A meta-analysis of the outcomes of social media overload. - Olli Tyrväinen; Henri Pirkkalainen; Markus Salo; Heikki Karjaluoto (Telematics Informatics, 2025)