If the Fed were to tighten, demand and investment would sink, and, as Mr Bernanke warned in March, "perversely serve to extend the period of low long-term rates".
There are two main reasons why the NHS is going to find it difficult to cope with belt-tightening: demand for services will continue to rise in line with our expectations and an ageing population; and it has got used to significant year-on-year real term increases.
As a labor market tightens, demand for competent low-skilled workers often exceeds supply.
Mr. Hirschorn said insurance companies have tightened their demands.
Data requirements are prescribed by the REACH Regulation and cannot be tightened by demands in the field of IT.
Manufacturers of machine tools face worldwide competition which is tightened by demands for total cost of ownership (TCO) contracts, requiring a guarantee of a certain availability of their products.
Despite a fall in gasoline demand in the United States and Europe, global oil markets are tightening because demand for energy from Asian countries, particularly China and India, is rising at surprisingly strong rates even as output is declining from several important producing countries.
In his statement, the first minister said: "Since public sector budgets are likely to continue to tighten, and demand pressures grow, there is a clear need to examine how services can be sustained and standards of performance raised, so that people in Wales can continue to receive and influence the public services they need and value.
That changed more recently as strong economic growth in the less developed economies has accelerated demand growth for commodities, tightening supply-demand and causing the prices of many commodities to rise by 300%-400 300%-400%
As lending standards tighten, consumer demand could suffer, possibly prompting a recession in the United States.
