The paper comments on Khan et al. (J Assoc Inf Syst 18(5):372–402, 2017), who study real option exercise decisions in the context of a single IT project and in a portfolio setting, respectively. The issues identified concern the concept of (economic) rationality and the treatment of project...

If decision makers have exclusive rights to particular investment projects, they frequently have the opportunity to delay these investments. This paper analyzes the effect of quasi-hyperbolic discounting, i.e. time-inconsistent preferences on the exercise timing of such options to defer an...