Introduction. The work is devoted to the formation of new conceptual criteria for the effectiveness of international cooperation in the context of the geo-economic space digital transformations. The introduction spells out the general content of the modern geo-economic space and stipulates the need for a conceptually new approach to determining the effectiveness of interaction in this space. Theoretical analysis reveals the methodology for studying synergetic efficiency, substantiates the parameters of synergistic efficiency. Empirical analysis.
