Please do not compare 1992 with 2022. The problems of reunification did not become truly apparent until mid/end of the 90s.
Comparing separate European countries individually in general is difficult, wealth and productivity is redistributed within the EU by various means. An hierarchical model that takes all EU countries into account might be the most sensible approach.
Comparing separate European countries individually in general is difficult, wealth and productivity is redistributed within the EU by various means. An hierarchical model that takes all EU countries into account might be the most sensible approach.