Suppose a DAC donor earmarks $1 billion of taxpayers’ money for official development assistance (ODA). The donor may use two instruments as an outright grant or in combination with a market loan to produce a concessional loan of $2 billion with a percentage grant element of 50 per cent. Many...

Managing migration has become a priority for policy makers both in developed and developing countries; it is a difficult challenge indeed. Large immigration or emigration flows relative to domestic population’s impact on almost all aspects of an economy and society: family structures,...