This article analyses energy efficiency coefficients and their evolution in the air transport sector. The proposed ’macro-level’ methodology allows obtaining energy efficiency coefficients and their growth rates (corresponding to the evolution of energy gains) from 1983 to 2006 for eight...

Emerging economies have passed an important stress test during the period 2008-2009 and are now the key drivers for global growth of the world economy. The explosive expansion that emerging markets are showing during the last few years is mainly due to substantial returns that investors made....