Lewis, Edward, "The Use of the SaGa Tool for Scenario-Based Planning", 1994
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This paper describes the scenario generator (SaGa) tool that prepares "plausible" futures for use in developing - or testing - managerial plans. SaGa generated adaptive, written scenarios based upon some of the power systems thinking. SaGa produces scenarios from the combination of textual and numeric values that are linked into cascades of formulae or decision tables. It provides a written description of the implications of using different sets of input values in a model of complex systems behavior. Managers with preferences for verbal material can use these scenarios to consider what preparations should be made to achieve their preferred future.