A method of simulating future cash flow for a given asset allocation under a variety of economic conditions, measuring the frequency of failure of the cash flow to avoid one or more predefined risks. Assigning user-selected weights to avoidance of specified risks and alternative user-selected weights...http://www.google.es/patents/US6055517?utm_source=gb-gplus-sharePatente US6055517 - Method of determining optimal asset allocation utilizing asset cash flow simulation