This paper offers a reappraisal of the impact of migration on economic growth for 22 OECD countries between 1986 … capital on GDP per capita, and second, a permanent increase in migration ows has a positive effect on productivity growth …. However, the growth impact of immigration is small even in countries that have highly selective migration policies. …

This paper offers a reappraisal of the impact of migration on economic growth for 22 OECD countries between 1986 … capital on economic growth. And second, the contribution of immigrants to human capital accumulation tends to dominate the …

We make use of a bootstrap panel analysis of causality between energy use and economic growth for a sample of sixteen … African countries over the period 1988-2010. Our results show that growth and energy use are strongly linked in Africa …. However, African countries are heterogeneous and there is no "one way" recommendation about energy-growth relationship that …