Answers to five key questions

Printed from: http://www.ft.com/cms/s/5228c51e-ba6c-11dd-aecd-0000779fd18c,dwp_uuid=291e37e6-b597-11dd-ab71-0000779fd18c,Authorised=false.html

Print a single copy of this article for personal use. Contact us if you wish to print more to distribute to others.

© The Financial Times Ltd 2012 FT and ‘Financial Times’ are trademarks of The Financial Times Ltd. Privacy policy | Terms | Copyright