Likewise, fewer workers were employed in the parts of the economy that produced goods for sale abroad, but just as many more found work making things that were consumed within the country's borders.

ECONOMIST: Economics focus

And with hard work -- with hard work, strong faith, and a little courage, great things are always within our reach.

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"I love when people hear different things in the music, " he said, but noted that he wasn't trying to work within those traditions.

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But in later work he also showed that organising matters within companies had costs: in particular, it relied on internal authority to get things done, and this could be abused.

ECONOMIST: The Nobel prize for economics