This multiple expansion of the money supply is called the money multiplier.

FORBES: How Has The Fed Evolved?

The sector employs some three million people across a huge supply chain and has a strong multiplier effect on the UK economy.

BBC: Business

It is true that Bernanke can t force banks to lend, but he can compel them to boost the money supply by removing any compensation they receive from keeping the money multiplier in check.

FORBES: Fed's Next Move Will Be To Ease Interest Rates

To rewind, an economic consultancy reported for Scottish Enterprise 10 years ago that there is a multiplier effect in the west of Scotland - that is, local businesses supply Faslane and Coulport, and then a portion of the salaries of 6, 500 people is spent on local businesses.

BBC: Analysis: Jobs supported by the UK's nuclear deterrent