IT investments are researched in theory and practice from different theoretical perspectives. In accounting and finance, corporate practice in particular shows that large IT investments are either not made or are abandoned during the investment and implementation process. In our view, the economic role of sunk costs has not been given sufficient attention in the literature to date. From a theoretical point of view, the objective or subjective assumption of sunk costs could be a barrier against the adoption of new digital technologies. This paper can partly support this thesis on the basis of empirical data
