EncarnacaTo, J.2014-07-302014-07-3019821467-8659https://doi.org/10.1111/j.1467-8659.1982.tb00034.xThe paper describes an approach for the technical evaluation and economic justification of CAD systems based on a CAD system simulation. The underlying model, the tools needed and the simulation concept used are discussed in detail. An extensive bibliography complements the concepts presented in the paper.10.1111/j.1467-8659.1982.tb00034.x116-123