Structuring the future—application of a scenario-generation procedure

Abstract Scenario generation is a fundamental technique of futures research. By providing a series of possible future contexts, it is a valuable tool for decision makers. A number of scenario generation procedures have been proposed and may all be appropriate in particular circumstances. These procedures differ in regard to their approach to structure, the nature of the scenario elements used, their handling of the time dimension, their approach to scenario probabilities, the scope or size of the scenarios, and a few other aspects. A number of suggested techniques are classified in regard to these characteristics and a case is described for a procedure that provides for large numbers of events and trends (over 100) in a multiperiod framework and that can produce a fairly small number of the most likely scenarios that contain a reasonable variety. An approach to this problem is described, and an application in the Western Australian Government Railway organization, Westrail, is presented.

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