We study how Europe could replace US support for Ukraine both (i) financially, in terms of the fiscal effort required, and (ii) militarily, in terms of weapon production. Financial effort: The financial challenge of replacing US aid is limited. Currently, European governments are spending just...

Following Russia’s attack on Ukraine on February 24, 2022, Western countries have been providing military assistance to Ukraine. However, relative to GDP, the support from the small Baltic and Nordic countries has been greater than that of the larger European NATO countries. This article...

Russia pushes for the "Russification" of the territories it occupies in Ukraine. Its policy is aimed at turning them into a military fortress against Ukraine. The declared aim of the economic restoration measures is to make the territories self-sufficient "parts of the Russian Federation". Their...

As Ukraine must fight against an aggressor with an economy more than 10 times larger, its own resources have been far from sufficient to finance all its needs, which in turn has forced the country to rely on significant external financial support. Unfortunately, there have recently been...

We focused on multilateral cooperation and aid to North Korea. While it is true that North Korea and the international community both respectively have a certain desire for multilateral cooperation, we evaluate that due to the disagreements stemming from differing perspectives, correspondence,...

This paper offers an analytical narrative based on an assurance game with two separate populations in an evolutionary setting. In our model, Donors and Recipients are two populations; let us call them Europe and Ukraine. The donor population has two types. A proportion of this population wants...