Unemployment is special, but there is quite a lot of harmonised statistics. E.g. fiscal deficit has to be reported under very clear rules to the EU and this numbers are cited in public.
For inflation there exist Eurozone numbers, as for many other relevant things. The Maastricht treaty has requirements for a country to be able to join the Eurozone. That would not make sense, if every country could define on its own how those numbers are measured, although I think Greece has tried...


Der Amerikaner ist die Orchidee unter den Menschen
Volker Pispers