Average price is a numerical value that represents a set of prices,whichmay relate to firms, countries, or regions.
This study presents new methods of average price aggregation that build on the unified aggregation operator
(UAO). The UAO combines a wide range of sub-aggregation processes into a single formulation capable of
accounting for the importance of each concept in the analysis. The aggregation system is flexible, can adapt to
different environments, and provides a complete representation of relevant information. The UAO can calculate
the average price for numerous geographical contexts such as supranational regions and countries. The study
illustrates the UAO's utility by presenting an example of how to calculate the world average price of a product
while considering a range of opinions and environmental uncertainties.