A DW News report (German news media) showing that Germany has gained the most prosperity since being in the Euro currency scheme, with France and Italy being some of the biggest losers.
https://www.dw.com/en/cep-study-germ...ion/a-47675856
All I am going to say and
this is my own personal opinion is Thank goodness the UK was not part of the Euro (even though Major & Heseltine tried with he ERM debacle) and also that we are out of the EU.