A computer system and method for evaluating underwriting requirements, and for evaluating expected changes in mortality of an insurable class in response to changes in such requirements. In certain embodiments, the method and system involves storing data relating to the requirements, determining expected mortality using a first set of requirements, changing one or more of the requirements and predetermining expected mortality using the changed set of requirements and the stored data. In addition to evaluating proposed changes in underwriting requirements, the system and method may be used in the design and pricing of insurance products.