Answer: Hi and I'm good just tired hbu?
Explanation:
The features of social democracy that are common in Europe are mainly universal health care and tuition-free college. Europeans also get the minimum living wage. They benefit from these features with a cost. Citizens, most especially the rich ones, pay higher taxes to fund these necessary benefits.
Oil is what those countries rely on the most
Sweden is not in the eurozone yet. They did sign what is called the "Treaty of Accession" in 1994 that stated they would join the eurozone when they met necessary standards.
Hope this helped! :)