Riksbanken or The Swedish National Bank's sole aim is to make sure inflation stays at a level around 2%. Not until 2018 did the inflation reach this target, before it was considerably lower and even been negative.
Unlike the Fed, the mission for Riksbanken is not to keep the economy stable or prevent booms and busts; that was given to another government agency called "Finansinspektionen" something similar to the SEC.
About Sweden and the Krona (SEK)
Sweden is a small North European country with high taxes and an export-driven economy. Denmark, Germany and