Western support for Ukraine is at a crossroads, and the stakes couldn’t be higher. A new policy brief from the Stockholm Institute of Transition Economics (SITE), authored by Torbjörn Becker, Maria Perrotta Berlin, Anders Olofsgård, and Jesper Roine, argues that continued aid is not only a moral duty but also an economic necessity for Europe, emphasizing that the cost of allowing Russia to win would far exceed the price of sustained assistance.