Fourth, the members of a currency union should have similar economic structures or at least have business cycles that move in parallel. Given Russia's dependence on exports of oil and natural gas, and Ukraine's status as a major energy importer, the two countries' business cycles are likely to diverge rather than overlap.
En resumen, no existe ninguno de los prerrequisitos normales para una unión monetaria, y la única lógica parece ser la nostalgia imperial soviética.