Edoardo Campanella, a former economic adviser to the Italian government, says labor mobility is fundamental to the EU's common market, and in particular the eurozone, where countries with widely differing economic fortunes share a single currency.
"Labor mobility is an important adjustment mechanism," said Campanella, currently a Fulbright Scholar at the Harvard Kennedy School. "The language hurdle impairs this safe-valve."
At Berlin's Cafe Colectivo, 30-year-old project manager Maria Sarricolea from Spain laughed as she recalled friends asking about the job prospects in Germany.
"A lot of Spanish people think they can come here and get a great job with a bit of English," she said.
Clendenning contributed from Madrid. Barry Hatton in Lisbon contributed to this report.
Frank Jordans can be reached at http://www.twitter.com/wirereporter
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