If a manager leaves, the total cost of hiring a replacement (the head-hunter fees, the premium required to entice him and the time it takes him to settle into his job) is usually several times the outgoing person's salary.

ECONOMIST: Overworked and overpaid: the American manager | The

The assumption is that if African purchasing power remains relatively constant over the next few years and the cost of imported replacement weapons remains significantly higher than the cost of the old stuff, total numbers will decline over time.

FORBES: Move up http://i.forbesimg.com t Move down

Metal on metal hip resurfacing is considered to be a much better option because it has a lower failure rate and is more cost effective since it does not need to be repeated as often as a total hip replacement.

BBC: NHS arthritis treatment for young