But simply raising the overall level of investment in human resources will not be enough: there is a clear need to invest more effectively, that is, to identify and invest in those areas of education and training which produce the greatest returns [11].
Mais se contenter de relever le niveau global de l'investissement dans les ressources humaines ne suffit pas : il faut manifestement investir plus efficacement, c'est-à-dire identifier les domaines de l'éducation et de la formation qui sont les plus rentables [11].