Historically most urban growth has been due to natural increase, not migration.
Immigration minister Damian Green said he had decided to extend the restrictions as he wanted to ensure migration from those countries delivered economic benefits to the UK and that he did not want migration to have adverse impacts on the domestic labour force.
BBC: Restrictions on Bulgarian and Romanian workers extended
Many of the economic gains from mobility do not require migration to be permanent.
In Western Europe secularism would be the undisputed champion were it not for migration.
This does not mean, of course, that net migration has not fallen, just that, according to some experts, the government's main method of measuring its progress is little better than a rough guess.
That's not to say migration from Europe has been insignificant.
Both argued overseas students should be reclassified so that they would not count towards migration limits, to allow the UK to continue to expand its share of the overseas student market.
Users may not be aware of the migration, and as of yet IT may not have a strategy to define the movement.
Since the migration will not make its way up here until autumn, it was blissfully empty of other travellers.
That Google is pulling for existing old media operations to survive the digital migration is not newsworthy.
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Russia is running a positive migration balance not only with CIS countries, but also with other countries.
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For richer economies a cyclical downturn in migration may not hurt.
This chain migration does not promote the nation's economic interests.
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Additionally, there are two mechanisms that could be used to ensure that low-skilled workers who would greatly benefit from migration are not priced out of the market: loans and allotted time.
It is not, however, about migration itself, but about the political nature of imperialism.
There now seems to be a new migration afoot, not on the scale of previous ones but very much in the American tradition.
Thanks to a combination of in-migration and people not leaving when they retire, the population of over-65s in the district has increased from 14, 500 to 19, 600 since 2001.
The Public Administration (9.30am) has a session on migration statistics which should not be nearly as dry as it sounds.
Mrs May did not identify the countries facing possible migration curbs in her Sunday Times interview, but the newspaper says they are understood to include Romania and Bulgaria, which are currently subject to temporary visa restrictions.
That only -- we have not seen the formulation of a mass migration.
An opinion poll by the German Marshall Fund, in November, suggested that a majority of Americans and Europeans regard migration as a problem, not as an opportunity.
Of special interest to us will be if that migration is broad based, not largely confined to the larger, internationally mobile depositors (as was the case in prior banking scares).
However, those statistics are not always perfect indicators of the economic effects migration has on a city.
Poor consideration of sites: Turbines can cause disruption to TV and radio signals and even the migration of birds when they are not positioned correctly.
The January 2010 earthquake that devastated the capital, Port au Prince, and surrounding communities did not result in an immediate wave of mass migration to the United States, as some had feared.
Not only did Pandora understand the dynamics of mobile migration, it prepared for them.
London, though, takes a warmer view of foreigners than does the rest of the country, and this is not just because migrants are naturally in favour of migration.
The numbers of African-Americans returning to the South are not as large as those seen during the Great Migration, but the trend has resonance because of the place the region occupies in black history and mythology.
While customs and migration requirements are fulfilled, the luggage is not thoroughly controlled or scanned.
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European Commission President Jose Manuel Barroso stressed that migration should be a source of prosperity, not a human tragedy.
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