"That means that they are going to move internally, particularly to other States within the Sudan or across the border to the neighboring countries, particularly Chad, Central African Republic.

VOA: standard.2009.03.28

This is seen as particularly likely if countries within the eurozone, of which the UK is not a part, integrate further.

BBC: 'Lower the minimum voting age' for EU referendum

Second, inequality within countries, particularly developing countries where markets are shallow and governance is poor, is probably itself contributing to low growth.

ECONOMIST: Rich man, poor man

Many countries, particularly within the eurozone, have been cutting back hard on welfare spending in an attempt to reduce debt and balance government books as tax revenues fall because of weak growth.

BBC: Rich-poor divide accelerating, says OECD