Discrete event simulation modelling has been extensively used in modelling complex systems. Although it offers great conceptual-modelling flexibility, it is both computationally expensive and data intensive. There are several examples of simulation models that generate millions of observations...

We use data from a natural experiment in which retirement benefits were reduced by congressional legislation and later restored to estimate the effect of future retirement benefit eligibility upon the decision of whether to remain in the U.S. military. We find that the generosity of retirement...