efficiency in fitting demand & supply

Do you think there's more ppl than jobs or more jobs (things to accomplish in human feats) than there are ppl in the world (universe) to do?

This efficiency question plays into Einstein's quote (that imagination is more important than knowledge). & related to this query: are all those nations that invest in mathematical prowess in a significant portion of their population over-investing? Could it be better used in isolating these mathletes and working to perfect their skill?