Any professional act will lead to a significant change. How can one make students understand "managing change" as a consequence or as an intended objective? "DECISION IN CASCADE" -- is a Management Computational Game for the Education of University Master Students and Junior Executive -- simulates five economic functions: research and development, production, purchases and sales, personnel, finance and accounting of five to nine companies operating on a free market. The program package handles a data base of the modelled companies and provides reports on sales by types of markets, on the output of the company, personnel, raw materials in stock, production costs, innovation and research.