Debatable. The original comment was good, because it specifically noted the advantages of using a sovereign currency in certain situations. Once Poland becomes

Debatable. The original comment was good, because it specifically noted the advantages of using a sovereign currency in certain situations. Once Poland becomes more prosperous and its growth rate slows, it would make sense for it to move to the euro. It just doesn't now. https://en.m.wikipedia.org/wiki/List_of_sovereign_states_in_Europe_by_GDP_(PPP)_per_capita https://en.m.wikipedia.org/wiki/List_of_sovereign_states_in_...