Abstract
A new framework for multi-period decision making is presented. It deals with moving averages and the ordered weighted average (OWA) in an imprecise environment that can be assessed with fuzzy numbers. Several new aggregation operators are presented including the fuzzy ordered weighted moving average (FOWMA) and the fuzzy ordered weighted averaging weighted moving average (FOWAWMA). Their main advantage is that they can provide a parameterized family of aggregation operators between the minimum and the maximum in a dynamic environment assessed with the moving average and fuzzy numbers. An application of the new approach is presented in national multi-period decision making problems concerning the fixation of the main interest rate of a country.
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