The levels of poverty and inequality in a world rich in knowledge, technology and capital is the biggest moral issue the world faces and the biggest threat to the safety and security of the world.

BBC: Short's resignation statement

Mr Gove argued that it was poorer families that had the most to gain as "the accumulation of cultural capital - the acquisition of knowledge - is the key to social mobility".

BBC: Gove sets out 'core knowledge' curriculum plans

But in the advanced economies, where internal markets are big enough to be fairly competitive, barriers to flows of trade, capital and knowledge have long been lower, and technology is at its cutting edge, there is less to be gained.

ECONOMIST: The future of the state

In practice, large-scale government stimulus is an invitation for corruption and a diversion of resources that builds up knowledge and capital in unproductive areas.

FORBES: Links 05 Sept: Keynesians Need To Take Account Of The Long Run