Strangely, European countries with more humane employment laws don’t have correspondingly higher unemployment.
North European countries, where individual dismissal is difficult but mass dismissal (restructuring) is easy, fare better.
Germany, also with quite rigid employment laws, has low unemployment. As the dominant euro member it is basically running the monetary policy of the whole continent from its own needs.
Data: http://www.oecd.org/employment/ministerial/employment-in-fig...
How federal systems get around this (like how all the states in the US using the same currency) is having the Federal Government tax and spend which can balance a lot of that out. Europe doesn’t have that, but eventually will have to or split back into individual currencies.
I believe this is also why gold standard systems have always failed eventually too - they require fixed exchange rates and even with rebalancing every now and then you can’t be as effective as a floating exchange rate.
Germany’s trade surplus wouldn’t be able to be anywhere near as large without the rest of Western Europe pulling down the Euro exchange rate, and unemployment in the trade deficit countries likely wouldn’t be anywhere near as high without (from their perspective) Germany pulling the exchange rate high.
No good or service is perfectly inelastic — certainly not employees.