Virpi Tuunainen
Virpi Kristiina Tuunainen is professor of information systems science at the Department of Information and Service Economy of Aalto University School of Business, and past director of Aalto University Service Factory (2010-2015). She's a Jubilee Professor at the Department of Applied IT in Chalmers University of Technology and University of Gothenburg (Sweden) in 2017. Earlier, she has been a visiting professor/researcher in University of Hong Kong, University of Texas at Austin (USA), Erasmus University Rotterdam (the Netherlands), University of Auckland (New Zealand), Roskilde University (Denmark) and Copenhagen Business School (Denmark).Her current research focuses on ICT enabled or enhanced services, customer and community digital innovation, and creative use of ICT. Her work has appeared in journals, such as, MIS Quarterly, Communications of the ACM, Journal of Management Information Systems, Journal of Strategic Information Systems, European Journal of Information Systens, Information
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and platform economics, we develop propositions about those changes and the strategic actions they bring about. When a platform focuses on cost efficiency, exerting tight control and promoting competition among platform users is proposed. When a platform focuses on service differentiation exerting loose control and promoting coopetition among platform users is proposed. To illustrate and support our propositions, we refer to the two leading sharing economy platforms, Airbnb and Uber that made different strategic choice on competition and cooperation with their users.