Rich Europe, Poor Europe
Income convergence within the European Union has slowed with the accession of ex-communist countries in recent years, with disparities much larger than those found in the United States. Labor mobility also is much higher in the US, and the EU should take steps to decrease the supply of workers in depressed areas and increase it in booming regions.
https://prosyn.org/lcvVPi8
From its earliest days, the European Union has aimed for balanced economic development across its many regions. The Maastricht Treaty contains the striking phrase “overall harmonious development.” But, however admirable this sentiment may be, there is no “scientific truth” about the “right” level of disparities and the correct speed of convergence.