An Application of Welfare Game Theory on Discussing the Reactions between Ukraine and US-NATO in the Russia-Ukraine War

<p>The Russia-Ukraine war broke out on February 24, 2022, shaking the international community. To understand the behavior of both Russia and Ukraine in this war, as well as how military and economic aid from the United States, the European Union, and NATO influences Ukraine’s actions, this paper explores the interaction between Ukraine and the U.S.-EU alliance through the viewpoint of welfare game theory. The discussion focuses on how these interactions affect the progress of the Russia-Ukraine war. International political and military activities are based on national interests. The U.S.-EU alliance’s support for Ukraine in resisting the Russian invasion must consider the mutual interests, losses, and related conditions between the U.S., EU, and Ukraine.</p> <p> </p>