Obviously there are exceptions. And some countries, including Germany, are trying to snipe highly educated immigrants, which would of course earn decent wages. But not everybody falls into that category.

Usually people from other countries will have a tougher time on the domestic job market, and there's a good chance your real spending power is less than it was before.

I tell you why I left Poland. I got to smart gentlemen waiting for me after work and offering me work in London for 10 times more I was earning

The question should rather be where to go to today. Yes, the purchasing power in Sweden is more than double that of Romania, but that's based on gross national income per capita.

Man yeha we can dance naked around bonfire in the midnight sun period and swim in lpcal lake and make pike sacrifice to local pagan gods

Yes but quastion is why people left in 2000's ?

That's it BE. I am going to visit you. I'll bring some Polish vodka, English ale and honey for the bear