Smuggling is a thing, though. And transport costs tend to reduce as volume increases, and alcohol is a popular product...
Meanwhile, the Swedes go to Denmark for cheap alcohol, the Danes go to Germany, the Germans to Poland and the Poles to Ukraine. Thus Ukraine is the fixed point of the alcohol-flow function. This theorem was proven when I was a PhD student in a research group which contained a Norwegian, a Swede, a German, a Pole and a Ukrainian - we extrapolated the Danish connection point.