Abstract: A system and method automates the creation of business models via generators that generate data structures and models based on general assumptions regarding business models. A time series generator automatically generates a time series model suitable for creating a spreadsheet, even though the input description of the business model may be time-independent. A cross-category generator creates a cross-category hierarchy, even though the business model is described using independent categorizations, such as market categories, product-line categories, organizational categories, and so on. In this manner, the creator of the business model is freed of the tedium generally associated with creating a business model, and the likelihood of errors in the resultant models is substantially reduced. Further, the same input description of the business model can be used as the source of alternative models, depending upon the requirements of the intended application of the model.